1.Bluetooth version:4.1

2.Effective distance: About 10 meter

3.Pairing two devices at the same time

4.Support protocol: A2DP/AVRCP/HSP/HFP

5.Weight: 8g

6.Color:Rose gold

7.Music time: About 3.5-5.5 hours

8.Charging standard: Micro USB, DC 5V~2A

9.Charging time: About 1.5 H

10.Standy time: About 125H

11.Color: Pink, Red, Green