Model Number: BT-U12
Color: Black
Item Weight: 0.04 pounds
Bass-heavy portable earphone
Ultra light
Nice design, long play time
Bluetooth version: 4.1
Chip:CSR8635
Supported protocol:A2DP, Headset, Hands-stereo
Play time:6-8 hours
Standby time:upto 220 hours
Bluetooth connection distance:20M
Charging voltage:5V DC
Fully recharge time:about 2 hours