Features:
Bluetooth version: 5.0 version
Transmission distance: 10 meters
Battery capacity: polymer lithium battery 55mah
Listening to music time: 3 hours
Standby time: 130 hours
Charging time: 1-2 hours
Working current: 22MA
Standby current: 4uA
Color:Black,Blue,Red

Packing :
1*Sport bluetooth headset

* Pairing mode: long press, red, blue and fast flash is pairing mode
Chinese and English voice switching: When the red and blue lights alternately flash, press the power button twice.
* Button function: long press to power on, long press to turn off, click music pause / play / call answer / hang up the phone, double click the next song.
Note: It ONLY supports play music from TF card or FM radio. TF card NOT included.