HF-7
1. Bluetooth chip: AB5616 A2
2. Bluetooth version: 5.0V
3. Bluetooth protocol: HFP, HSP, A2DP, AVRCP
4. Transmission distance: 10m-100m
5. Battery capacity: 230MAH with protective board
6. Standby time:≈340h Music playtime: ≈ 18h, Talk time: ≈20H
7. Charging time for case: < 2h
8, Speaker: 1009 in real copper ring package adhesive sensitivity 94+3db
9,mic: 4015 sensitivity 42db
10. Charging port : type C
2. Bluetooth version: 5.0V
3. Bluetooth protocol: HFP, HSP, A2DP, AVRCP
4. Transmission distance: 10m-100m
5. Battery capacity: 230MAH with protective board
6. Standby time:≈340h Music playtime: ≈ 18h, Talk time: ≈20H
7. Charging time for case: < 2h
8, Speaker: 1009 in real copper ring package adhesive sensitivity 94+3db
9,mic: 4015 sensitivity 42db
10. Charging port : type C
1: one drag two (one earphone could match two phones(device))
2: One-button with multi-function(1,Up and down song control
2,volume control 3 Number redial, report number ,Answering or reject calls,Etc..)
3:Good sound quality in stereo 4:Aluminum alloy, fast charging function, charging for 5 minutes and talking for 2 hours ,heavy bass
