. Bluetooth version: Bluetooth 4.1 + EDR
Chipset: ND4.1
Frequency: 2.4GHz
Battery: 60mAh
Standby time: 180 hours
Charging time: 2 hours
Music time: 6 hours
Connected distance: 15m
Color collocation: black and white
Accessories: USB cable, instruction book and two set of ear cap (big and small)