K18

chip solution:AB5616
Bluetooth version:bluetooth 5.2 technology.
support:AAC,HFP, HSP,AVRCP,A2DP,
water resistant:IPX4
Speaker size: 6mm（graphene dynamic)
Impedance: 16Ω+/-15%
Sensitivity: 97dB±3dB
Battery capacity: 55mAh(Both side).
Battery capacity charge case:500mA.
Battery life: hours:40 hours
Playback time: 10hours