Bluetooth version: CSR V4.1+EDR

Bluetooth support: A2DP, AVRCP, HFP, HSP

Battery: 130MAH

Charging power: 5V/120MA

Transmission distance: 10M

Frequency range: 2.4GHZ

Talk /Music time: about 8  hours

Charging time: 1-2 hours

Standby time: about 180 hours

 Colors: grey, gold, silver 
Effective distance: 10 meters

Charging voltage: DC 5V
Listening time: about 12 hours

Standby time: about 250 hours