Product Model Bluetooth® pairing name Bluetooth® profiles Material Range Bluetooth® version Frequency range Format Earbud battery Charging case battery Charging time Playback time Earbud weight Voltage/current Charging current Overcharge protect voltage Overdischarge protect voltage Protect for current circuit Working voltage Output power S/N radio THD |
: X18 : X18 : A2DP, HFP, HSP, AVRCP : ABS, TPU, FE, Rubber : ≤10m(Barrier free) : V5.0 : 20hz-20khz : SBC/AAC/MP3 : 40mAH : 380mAH : 2to3hours : 4to5hours (50% volume) : 10g/piece : 4.2V/12mA(Max) : 40mA : 4.25±0.1V : 3.3±0.1V : Yes : 3.3-4.2V : 2.6mW/16Ω : >85dB : <0.3% |