1.Bluetooth V5.3

    Bluetooth chipset : AC7006F8

2.Bluetooth profiles: AVRCP_V1.6/HFP_V1.7/HSP_V1.2/A2DP_V1.3

3.Operating distance: 10 meters Class II

4.Charging Box Battery with protection: 300mAh 

5.Earbud Battery  : 30mAh 

6.Talk time & Music playing time: Around 4-5 hours

7.Earbud standby time: Around 90 hours 

8.Easily charge TYPE-C port

9.Charging time: About  1.5 hours
10.Box charge earbud : 3 times                                                                       
11.Material: ABS+PC

12.Corlor: Orange, black, yellow, blue, white, purple