Interface: 3.5MM USB
Plug and play: plug and play
External power supply: external power supply
Transmission rate: 100 (Mbps)
Effective working radius: 10 (m)
Bluetooth standard: 4
Operating frequency: 2.4 (MHz)
Bluetooth version: V4.0 support A2DP, AVRCP
Wireless distance: more than 10 meters
Battery capacity: 500MAH
Working time: 8 hours
Charging interface: Micro USB
Charging voltage: DC 5V
Charging time: about 2 hours
Audio input: 3.5MM
No call: not supported