*Bluetooth Version : V4.2 *Bluetooth Chip-set : BES

*Transfer Distance : 12 meters *Music Time : 4~5H

*Talking Time : 5 H *Standby Time : 300H *Charging Time : 20Mins
*Frequency Range : 2.402G-2.480G *Input Voltage : DC5V
*Battery Capacity : 60mAh
*Charging case battery：300mAh
*Charging Time:4 times ( for earphone )