Bluetooth Version: v4.1

Supported profile: HFP HSP AVRCP A2DP

Transmission power: class2 10 meters

Battery capacity:60mAH

Charging voltage: USB 5V

Charging time: about 2 hours

Talk / music time: 5 hours

Standby time: up to 180 hours

Package Includes:

1 * Headset

2* earbuds

2*Silicone ear brace

1*Headset clip

1*Winder