Bluetooth version: 5.3
Bluetooth solution: JL6983D2
Bluetooth protocol: A2DP, AVRCP, HSP, HFP
Speaker unit: 13mm@32Ω
Headset battery: 28mAh
Charging bay battery: 260mAh, with protection plate
Playback time: 4.5 hours @ 80% volume
Charging time: 1.5 hours
Color: Black/white/Red/Green