Chip: AB5636E

Bluetooth version: 5.3

horn size:10mm

Profile support: HFP/A2DP/AVRCP

Battery capacity: 2*35mAh+ 300mAh

Charging case: rechargeable 3-4 times when charge full

Earbuds charging time:1hour

charging case charging time: 1.5 hours

Playing time:6-7 hours

control mode: touch control

waterproof: IPX4

ANC, ENC: Yes

stereo: yes

Long battery life: yes

Regular color: Black and White