Losoi TWS-K2 Bluetooth Headset Setup & Pairing

Device Specs:

  1. Bluetooth Version: BT4.1+EDR
  2. Supports: HSP/HFP/A2DP/AVRCP
  3. Charging: Point Contact
  4. Size 28 x 20 x 28 mm
  5. Standby Time: ~40 Hours
  6. Call Time / Play Time: ~2 Hours
  7. Net Weight: 5.0 grams
  8. Charging Case Size: 80 x 60 x 30 mm
  9. Charging Case Weight: 45 grams

How to Use


  1. Place earphones on the slots of the charging case correctly
  2. Connect the charge cable to Micro-Jack on the charging case
  3. Plug the charge cable to a 3.5V or USB output of a PC
  4. Indicator light shows red during charging, a blue light indicates fully charged
  5. Charging Case should be charged at least 2 hours

Turn On/Off

  • To Turn On: Press and hold the multi-function key for 4 seconds until the blue light lights up
  • To Turn Off: press and hold the multi-function key for 3 seconds until the red light lights up

True Wireless Pairing Mode

  1. Press and hold the multi-function key for 7 seconds on both headsets simultaneously. They will be paired and connected automatically
  2. The headsets will be specified as Left channel and Right channel. The left headset will enter pairing mode again. Enable your phones bluetooth and click “TWS-K2” to pair

How to Pair

  1. Press and hold the multi-function key for 7 seconds until the blue light flashes. This enables pairing mode
  2. Open the bluetooth menu on your mobile device and pair with “TWS-K2”
  3. Pairing Password: 0000
  4. Pairing Complete!

Answer Call: Click the multi-function key once

End Call: Click the multi-function key during a call

Reject Call: Hold the multi-function key for about a second

Redial The Last Number: Press and hold the multi-function key

Activate Voice Dialing: Dobule click the left multi-function key during standby mode for 1 second to redial the last call

Play/Pause: Click the multi-function key of the host headset

Skip Song: Click the multi-function key of voice headset

TWS-K2 Light Codes
TWS-K2 Buttons
TWS-K2 Button Codes

Please review the full manual and safety instructions here: Full User Manual [pdf]


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