1．Material:Plastic+ Electronic parts+silica gel
2．Color:Silver, Red, Gold
3．Battery Capacity:Earbuds: 60 MAH; Charging case: 1200MAH
4．Charge time:Earbuds: 90 mins; Charging case: 2 hours
5．Playing time:Up to 3 hours
6．Item weight:GW:230; NW:126g
7．Standby Time:120 hours
8．Output power:5 mW
9．Charging Voltage:DC-5V
10．Bluetooth Version:Bluetooth 5.0
11．Wireless Frequency Responce:65-20 KHz
12．Impedance:32Ω
13．Wireless range:10m (free space)
14．Profile Support:HSP/HFP/A2DP/AVRCP
15．Earbuds' size:1.64*2.3cm