Lenovo SE-631 TWC True Wireless Earbuds User Manual

Lenovo SE-631 TWC True Wireless Earbuds

What’s In The Box

Product Illustration

Charging Case
Earbuds LED Indicator
T ouch Panel
Charging Case LED Indicator
Type -C Connector

* Before using it for the first time, please tear off the isolation film on the headset, put the earbuds into the charging box, and the red indicator light of the earbuds lights up to the charging state to indicate the activation is completed.

Choose Your Ear Tips

Ear tips x6 (Size S/M/L)
Note: The size M ear tips are attached to the ear buds in-box

Wearing Demonstration

Remove the protective film on the earbuds when taking them out of the charging case for the first time.

Choose the eartips that fit your ears the best.
Insert the earbuds into your ears.
Rotate and lock the earbuds.

Pair

Bluetooth pairing (automatic pairing when taking out the headset from the charging box)

The earbuds switch on automatically when taken out of the charging case.
The earbuds enter pairing mode after 2 seconds, rapidly flashing white/red.
Select “Lenovo SE-631TWC” in the Bluetooth list of the mobile device, and pair with the device.
Once successfully paired, the white light of the indicator will flash slowly

Touch Function

To play/pause
Tap the touch panel of the left/right earbuds twice.
To Pick/Hang up call
Tap the touch panel of the left/right earbuds twice.
To next song/previous
Press the left earbud touch panel and hold 2s to previous song Press the right earbud touch panel and hold 2s to next song
Activate voice assistant
Tap the touch panel of the left/right earbuds 3 times

Bluetooth disconnected into pairing mode
Tap the touch panel of the left/right earbuds 7 times

Functions		Left earbud operations	Right earbud operations
Music	Play	Tap the touch panel twice
	Pause	Tap the touch panel twice
	Previous song	Press and hold 2s	/
	Next song	/	Press and hold 2s
Call	Pick/Hang up call	Tap the touch panel twice
	Reject call	Press and hold 2s
Voice	Activate voice assistant	Tap the touch panel 3 times
Bluetooth disconnected to enter pairing mode		Tap the touch panel 7 times
When the earbuds is not in the charging box		Press and hold for 5s to turn on and 8s to turn off

To Clear The Pairing Record Of The Earbuds
Take the earbuds out of the charging case, tap any of the earbuds touch panel 7 times to enter Bluetooth pairing mode, then tap the earbuds touch panel 4 times to clear the pairing list and restore to the factory settings.

How to manually reset the earbuds.
Reset the earbuds if you can only hear music/voice on one side after pairing with your mobile device.

Turn off the Bluetooth on your mobile device, and insert both earbuds into the charging case.
Remove one earbud from the charging case.
Tap the touch panel 7 times to enter paring mode (Earbud light rapid flash white/red).
Tap the touch panel 6 times to reset pairing (Earbud light flash white 3 times then shut off), then place the earbud into the charging case.
Repeat steps 2-4 for the 2nd earbud.
Remove both earbuds from the charging case, and the earbuds will be paired automatically within 3 seconds.
Reconnect / re-pair with your mobile device.

Auto reconnect
After the pairing is recorded, unplug the earbuds from the charging case, and the earbuds will automatically reconnect to a recently
connected mobile phone.
Note: The Bluetooth of the mobile phone needs to be turned on, and the mobile phone is within the effective Bluetooth connection range of the earbuds.

Bluetooth remote disconnection and reconnect

If the earbuds are disconnected with the mobile phone and return to the effective connection range within 10 minutes, Bluetooth will
automatically reconnect.
If the earbuds are disconnected with the mobile phone and return to the effective range after 10 minutes, Bluetooth needs to be
reconnected manually.
Note: If the earbuds cannot automatically reconnect with the phone, please manually connect on the Bluetooth interface of the phone.

Charging

Ear buds Charge
Charging starts after insert the earbuds into the charging box, the red Earbuds LED Indicator will breath slowly while charging, and the red light will turn off after charging is complete.

Charge the charging case
Charging starts after insert a powered USB cable into the charging box, the Charging Case LED indicator is always on while the power is connected;
Notes: Power less than 25%; One flashing LED light

Power less than 50%; One solid, one flashing LED light
Power less than 75%; Two solid, one flashing LED light
Power less than 100%; Three solid, one flashing LED light Charging Complete; Four solid LED light

How to choose applicable charger

It is recommended to use the power adapter that complies with applicable national/regional regulations or one or more of the following standards: EN301389-34,IEC 62684, or other applicable interoperablity standards of power adapters. Only use an adapter that complies with international and regional safety standards(including IEC 60950/IEC 62368) for charging. Do not use an adapter rated at more than 5.25V or less than 0.5 A as this may damage the device.Other adapters may not comply with applicable safety standard,and using such adapters to charge may result in injury or death.

Specifications

Model: Lenovo SE-631TWC
Product size: 61x25x33mm
Product weight: 4.1g (single ear bud), 36.2g (two ear buds and charging case.)
Driver: 5.8mm bio-diaphragm speaker
Input: 5V d.c.0.2A
Audio decoding: SBC
Frequency response range: 20-20kHz (Bluetooth)
Sensitivity: 93dB±3dB
Connection method: USB-C to USB-A charging cable
Support modes: BT 5.0, HSP v1.2, HFP v1.7, A2DP v1.3, AVRCP v1.6 Bluetooth frequency: 2.402-2.480GHz
Bluetooth power: <8.0dBm
Bluetooth range: 10m
Battery Speciﬁcations: Rechargeable polymer lithium ion battery (ear buds: 3.7V, 43mAh charging box: 3.7V, 210 mAh) Battery charge: 2 hoursPlay time: 4 hours for earbuds, 10 hours of use for earbuds with the charging case. Waterproof level: IPX5 for the earbuds, charging case is not waterproof.

IMPORTANT!

The operation of switches on your hi-ﬁ system may cause clicks which at high volume settings may affect your hearing. Therefore, always set the volume control to minimum before switching between different sources.
Device models equipped with wireless communications comply with the radio frequency and safety standards of any country or region in which it has been approved for wireless use.
Be sure to read the Regulatory Notice for your country or region before using the wireless devices contained in your device. To obtain a PDF version of the Regulatory Notice, go to https://support.lenovo.com

Regulatory and important safety information
Before using and operating the device, read and follow the precautions below to ensure that the equipment performs optimally and avoids dangerous or illegal conditions

Do not use this device in dusty, humid, dirty environment or places near magnetic field to avoid malfunction of the internal circuit of
the device.
Do not cover, seal or put other items on the device.
Keep the device away from heat sources or bare fire like electric heaters, microwave ovens, stoves, water heaters, candles or any
place with high temperature conditions.
Do not use an external heating appliance such as a hair dryer or microwave to dry the device.
Avoid striking the device and its accessories to a hard object or vice versa as it may lead the battery to explode or might cause malfunction.
Wipe the device with a clean, dry, soft cloth. Do Not use the device before cleaning and maintenance.
Use and store the device and its accessories in the temperature range of 0°~45°. When the environmental temperature is too high or too low, it may cause device malfunction. The battery efﬁciency would be limited when the temperature is lower than 0°.
Keep the device and its accessories in a ventilated and cool environment without exposing it to direct sunlight.
This device is not a toy and children may use this device under adult supervision. This device and its accessories may contain small parts that should keep away from children. Children may inadvertently damage the device and its accessories, or swallow small parts resulting in suffocation or other hazards.
The device is equipped with non-removable built-in rechargeable battery. Do Not replace the battery by yourself. The battery can only be replaced by authorized service center.To avoid replacement of a battery with an incorrect type.
General recycling statement: Lenovo encourages owners of information technology (IT) equipment to responsibly recycle their equipment when it is no longer needed. Lenovo offers a variety of programs and services to assist equipment owners in recycling their IT products. For information on recycling Lenovo products, go to http://www.lenovo.com/recycling.
In medical and health care facilities where the use of wireless devices is prohibited, comply with the regulations of such facilities and turn off the device.
Radio waves generated by devices may affect the normal operation of implantable medical devices or personal medical devices, such as pacemakers, cochlear implants, hearing aids, etc. If you use any of these medical devices, consult their manufacturer about the use restrictions of the device.
Keep the device at least 15cm away from the implanted medical device such as pacemaker, cochlear implants etc.
Use of unauthorized or incompatible power supplies, chargers or batteries may cause ﬁre, explosion or other hazards.
Danger: Plastic bags can be dangerous. Keep plastic bags away from babies and children to avoid danger of suffocation.

Informational Note for Customers in U.S.A. Only:

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.

Changes or modiﬁcations not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

this device may not cause harmful interference.
this device must accept any interference received, including interference that may cause undesired operation.

This device complies with FCC’s radiation exposure limits set forth for an uncontrolled enviroment.

Informational Note For Customers In EU Only:

Important battery and WEEE information
Batteries and electrical and electronic equipment marked with the symbol of a crossed-out wheeled bin may not be disposed as unsorted municipal waste. Batteries and waste of electrical and electronic equipment (WEEE) shall be treated separately using the collection framework available to customers for the return, recycling, and treatment of batteries and WEEE. When possible, remove and isolate batteries from WEEE prior to placing WEEE in the waste collection stream.Batteries are to be collected separately using the framework available for the return, recycling, and treatment of batteries and accumulators.Country-speciﬁc information is available at: http://www.lenovo.com/recycling.

Battery recycling information for the United States and Canada

Battery recycling information for the European Union

Restriction of Hazardous Substances Directive (RoHS)

European Union
Lenovo Products meet the requirement of Directive 2011/65/EC on the restriction of the use of the certain hazardous substances in electrical and electronic equipment (“RoHS 2”). Lenovo products sold in the European Union, from the 21st July 2019, meet the requirement of Commission Delegated Directive (EU 2015/863) amending Directive 2011/65/EU. For more information about Lenovo progress on RoHS, go to: https://www.lenovo.com/us/en/social_responsibility/RoHS-Communication.pdf
European Union compliance statement European Union conformity

Compliance with the RE Directive
Lenovo PC HK Limited declares that the radio equipment type Lenovo SE-631TWC is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address:
https://www.lenovo.com/us/en/compliance/eu-doc.
This radio equipment operates with the following frequency bands and maximum radio-frequency power:

Model Name	Frequency Bands	Maximum Conducted Power (dBm)
Lenovo SE-631TWC	Bluetooth 2.4GHz	<10

The above information is for EU countries only. Please refer to the actual product for supported frequency bands in other countries.

Trademarks

The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG. Inc. And any use of such marks by Lenovo is under license.
Lenovo and the Lenovo logo are trademarks of Lenovo in the United States, other countries, or both. Other company, product, or service names may be trademarks or service marks of others.

Product Service Policy

The device warranty period is 12 months from the date of purchase. Repair and maintenance service are free during the warranty period,
excluding malfunctions are man-made.
The limited warranty shall not apply to: a. man-made damage;
- exceed the warranty period;
- no warranty card and valid invoice (except those can prove the product is under the warranty period);
- the warranty card is altered or not complied with the device itself;
- the SN label on device is torn off (except those can provide warranty card and efficiency invoice);
- accessories damage due to improper use and maintenance;
- disassemble or amend the device without manufacturer authority or water and smashing damages;
- damages due to force majeure.

Warranty And Support Information

Lenovo Limited Warranty notice
This product is covered by the terms of the Lenovo Limited Warranty (LLW), version L5050010I02 08/2011. Read the LLW at https://www.lenovo.com/warranty/llw_02. You can view the LLW in a number of languages from this Web site.

Warranty information
Lenovo provides a warranty period for your device. To check the warranty status of your device purchase upgrades, go to
https://support.lenovo.com/warrantylookup, and then select the product on-screen instructions.

Visiting support website: https://support.lenovo.com with the device serial number to get more Lenovo support options, or scan the QR
code, and then follow the on-screen instructions.

WARNING!

To guarantee your personal safety, please ensure that these earbuds are not worn kept in the immediate vicinity (close than 15 cm) of
a pacemaker.
Do not insert jack plug into electric sockets.
Earbuds listening at high volume levels particularly over extended periods of time may damage your hearing.
Exposure to high volume while driving may distract attention and cause an accident.

Regulational notice for small lithium battery

Notes on small lithium batteries (applicable to specific models)

Danger
Improper battery replacement may cause an explosion. If the small lithium battery is not a CRU, do not try to replace the small battery. The replacement of this battery must be carried out by a Lenovo authorized service unit or technician. Lenovo authorized maintenance organizations will recycle Lenovo batteries in accordance with local vlaws and regulations. When replacing a recycling information for the European Union small lithium battery,only use the same or equivalent battery type recommended by the manufacturer. Lithium batteries contain lithium, and improper use, handling, or disposal may cause an explosion.

Accidently swallowing small lithium battery
Lithium batteries will cause suffocation, or cause burns in the body within two hours, and may even lead to death.Keep the battery out of the reach of children. If you swallow a small lithium battery, consult a doctor immediately. Do not replace the battery if:
. Wet or immersed in water
. Placed in high temperature environment above 100 °C (212 °F)
. Repaired or disassembled
. Left in an environment with extremely low air pressure
. kept in extremely high temperature environment
. Flattened, pierced, cut or burnt
Please dispose of used batteries in accordance with the laws and regulations on waste batteries in various regions.

The following statement applies to users in California,

USA.California Perchlorate Information:
Contains manganese dioxide (Manganese Dioxide). Small lithium battery products may contain perchlorate. Perchlorate material-may require special treatment, please refer to https://www.dtsc.ca.gov/hazardouswaste/perchlorate

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Lenovo SE-631 TWC True Wireless Earbuds User Manual

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