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Lenovo True Wireless Earbuds: Frequently Asked Questions (FAQs)

How to use Lenovo True Wireless Earbuds and other frequently asked questions

How to use Lenovo True Wireless Earbuds and other frequently asked questions

wireless earbuds

Welcome to the frequently asked questions. We hope that this guide can help you solve the problem you may be experiencing.

For Lenovo True Wireless Earbuds: Troubleshooting Guide, click: Lenovo True Wireless Earbuds: Troubleshooting Guide

Frequently Asked Question List


LineQ: What is the model name of the Lenovo True Wireless Earbuds?

A: Lenovo SE-631TWC.

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LineQ: What is the size of the Lenovo True Wireless Earbuds?

A: Product size is 61x25x33mm.

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LineQ: What is the weight of this product?

A: 4.1g (single earbud), 36.2g (two earbuds and charging case).

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LineQ: What type of USB cable should I use to charge the Lenovo True Wireless Earbuds?

A: USB-C to USB-A charging cable.

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LineQ: What is the capacity of the battery?

A: This product uses rechargeable polymer lithium ion batteries.

  • Ear buds: 3.7V, 43mAh.
  • Charging box: 3.7V, 210mAh.

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LineQ: How long will it take to fully charge the earbuds?

A: 2 hours.

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LineQ: How long will the battery last after being fully charged?

A: 4 hours of full play time, 10 hours of use for earbuds with the charging case.

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LineQ: How to power on the Lenovo True Wireless Earbuds?

A: Take out the earbuds from the charging case, it will turn on automatically. You will hear the prompt sound "Power On" from the earbuds. If your earbuds are not in the charging box, put them back in the charging case, then pick it up again.

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

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LineQ: What's included in the sales box?

A: The sales box contains a pair of ear buds, a charging case, two pairs of different size ear tips, a user guide, and a charging cable (USB-C to USB-A).
wireless earbuds

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LineQ: How to wear the Lenovo True Wireless Earbuds?

A: First choose the ear tips that fit your ears the best, then insert the earbuds into your ears. And finally rotate and lock the earbuds.
wireless earbuds

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

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LineQ: How to pair the Lenovo True Wireless Earbuds to my mobile device?

A: The Lenovo True Wireless Earbuds will enter pairing mode when taken out of the charging case. In pairing mode, the LED indicator on the earbuds will rapidly flash white and red.

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LineQ: Does the Lenovo True Wireless Earbuds support touch functions?

A: Yes. Below is a list of touch commands:

  • 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 Reject call
    Press the left/right earbud touch panel and hold 2 seconds.

  • To next song/previous
    Press the left earbud touch panel and hold 2 seconds to previous song. Press the right earbud touch panel and hold 2 seconds 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.

  • To turn on/off earbuds manually
    When the earbuds are not in the charging box, press and hold for 5 seconds to turn on and 8 seconds to turn off.

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LineQ: How to clear the pairing record of the earbuds?

A: 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.

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LineQ: How to manually reset the earbuds?

A: Reset the earbuds if you can only hear music/voice on one side after pairing with your mobile device.

  1. Reset the earbuds if you can only hear music/voice on one side after pairing with your mobile device.
  2. Remove one earbud from the charging case.
  3. Tap the touch panel 7 times to enter paring mode (Earbud light rapid flash white/red).
  4. 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.
  5. Repeat steps 2-4 for the second earbud.
  6. Remove both earbuds from the charging case, and the earbuds will be paired automatically within 3 seconds.
  7. Reconnect or pair again with your mobile device.

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LineQ: How to charge the earbuds?

A: Charging starts after inserting the earbuds into the charging box. The LED indicator will flash red indicating the earbuds is charging. When charging is complete, the red light will turn off.
wireless earbuds

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LineQ: How to charge the charging box?

A: Charging starts after connecting a powered USB cable to the charging box. The LED indicator will light up solid when charged.

  • Power less than 25%: One flashing LED light.
  • Power is between 26-50%: One solid and one flashing LED light.
  • Power is between 51-75%: Two solid and one flashing LED light.
  • Power is between 76-100%: Three solid and one flashing LED light.


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LineQ: Where to find the Serial Number?

A: The Serial Number is printed on the inner side of the charging box cover.


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Document ID:HT511353
Original Publish Date:11/04/2020
Last Modified Date:01/16/2025