Bluetooth Version 5.3
Bluetooth working frequency 2.402GHz-2483.5MHz
Receive sensitivity 2.402GHz-2483.5MHz
Transmission distance ≥10M
Horn power 3mW
Frequency response 20Hz~20KHz
Speaker type Φ13mm@32hm
Earbuds battery capacity 30mAh
Charging time about 1H
Music playing time about 4H
Talk time about 3.5H
Charging case battery capacity 300mAh
Charging case charging time 1H
Standby time 4 months when fully charged
Support Bluetooth profile
a2dp/avctp/avdtp/avrcp/hfp/spp/
smp/att/gap/gatt/rfcomm/sdp/2cap
