WUW Bluetooth Wireless Sports Stereo Earphone WUW-R40

Bluetooth Specifications

Bluetooth Version: V4.2+AIROHA
Stand-by Time: 90 days
Talk-Time: 22-24h
Music Play Time: 23-25h
Charging Time: 1-2h
Charging Voltage: DC 5V
Waterproof Grade: Class IPx5
Battery Capacity 260mAh
Transmission Distance: 10m

Function Keys : Volume + -, music playback, pause, previous song, next song

Supports all bluetooth devices,then hang up, reject calls, last number call-back.