Product Introduction:

Product name: T18 MeloBuds
Certification model: BH21QT18B
Pair name: QCY-T18
Bluetooth version: 5.2
Compatible system: iOS/Android
Communication distance: 10m
Service time: about 4.5h; Music about 7h
Support protocol: HFP/A2DP/AVRCP
Charging cabin capacity: 380mAh
Charging times of charging cabin: about 3-4 times for both ears
Charging interface type: Type-C
Waterproof grade: IPX5
Headphone size: 32.98 * 20.52 * 22. 25mm
Charging chamber size: 58.78 * 53.92 * 26.24mm

Packing list: 

Headset and charging chamber X1+ear cap * 3 pairs of S/M/L (including one pair of earphones)+Type-C charging cable X1+manual X 1