1.Unit: 10mm composite diaphragm moving coil
2.Control: touch operation
3.Weight (single earphone): 3.9g
4.Communication distance: 10 meters
5.Bluetooth chip: Qualcomm QCC3040
6.Bluetooth specification: Bluetooth 5.2
7.Bluetooth codec: aptX 1 AAC 1 SBC
8.Bluetooth protocol: HSP1HFP1A2DP1AVRCP1SPP|PBAP
9.Headphone fully charged state: 9 hours
10.Headphones fully charged + charging box fully charged: 42 hours
11.Headphone full: 1.5 hours
12.Charging case full: 1.5 hours
13.Input: DC5V, 1A
