Bluetooth version: 4.2
Color: silver, gold, blue
Talk time: 2.5 hours
Charging time: 1-2 hours
Receiving range: 10m
Battery capacity: 55mAh
Button functions: long press to turn on, long press to turn off, click music to pause/play/answer/hang up the call, double click the next song
Function: waterproof and sweat proof, battery display, bilingual in Chinese and English, magnetic

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