Chip: CSR8610
Dimension:91*42*42MM
Bluetooth version: V4.0
RF Range:10M (without obstacles )
Charging means:micro USB
Battery: 35mAH
Bluetooth standard: Class 2 (-6dbm - 4dbm)
Profiles supported: HSP,HFP,A2DP
Talk time: up to 3 hours
Playing time: up to 2.5 hours
Standby time: up to 50 hours
Charging time:about 2 hours
Input: DC 12V-24V
Output: DC 5V/2.1A
Voice chat: Supported
Voice prompt: Supported