Description
Function: battery display, call function, support music
Bluetooth protocol: 5.0
Channel: stereo
How to use: earplug type
Single or dual ear: bilateral stereo
Use quick guide:
Please note: Song switch/play/pause/answer call/reject call/key support voice assistant activation.
Bluetooth name: X21S
Turn on/off the power: 1. Take out/return to the charging box
2. Long press for 3 seconds to turn on, 5 seconds to turn off
Call: when answering an incoming call, short press to answer the call, long press (3 seconds) to reject
Voice assistant wake up: long press for 2 seconds to activate the voice assistant
Music: Press for 1 second to play/press to pause for 3 seconds to play the next song.
Turn on the red and blue flashing lights, press alternately twice to switch between Chinese and English instructions
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