*Color:Black,Gray, Green,Red,white.
*Bluetooth Version V4.0 CSR BC8635 chipset
*Bluetooth Profiles: HSP,HFP,A2DP,AVRCP
*Transmitter Power: Class 2
*Operation Distance: up to 10m
*Frequency range: 2.4026GHz-2.480GHz
*Normal charging time: Around 1.5 hours
*Talk time: Up to 24 hours
*Music Time: Up to 20 hours
*Standby time: Up to 200 hours
*Sensitivity: 110dB
*Connectors: 3.5mm
*Interface: 3.5mm audio input/output, micro USB charging port
*Battery charging voltage: 5V
*Battery capacity: 550mAh
*Frequency response: 20Hz- 20KHz
*Rated Wattage: 60mW