Headset Bluetooth Sports Card Inserting Earphone Folding Headset

Product information:
Bluetooth version: V4.2 BR EDR BLE
Call duration: 8 hours
Music Playback: 10 hours
Transmission Distance: about 10 meters
Battery capacity: 600 mA
Ear tube size: 80mm
Operating voltage: 3.7V
Size: 163x80x195mm
Battery life: 800 hours