* Bluetooth Chipset: Bluetrum ;
* Bluetooth Version: V5.4+EDR;
* Diameter of speaker: Φ10mm,
* Impedance: 16Ω±15%;
* Speaker Sensitivity: 108±3dB(1KHz/1mW);
* Speaker Frequency: 20Hz~20KHz;
* Mic: 2718*2 ; Ceramic Antenna
* Sensitivity:-42dB ± 3dB;
* Frequency Response: 100Hz--20KHz;
* Connection distance:10m;
* Headbuds battery :401020 30mAh*2;
* Music Time:3-4H; Talk Time:4-5H;
* Case Charging time:≤1.5H
* Charging Case Battery:250mAh
* Charging Case can be charged 3 times;
*Charging Port:Type-c
* Total Standby Time:2000H;
* Supported profile : HFP/HSP, A2DP, AVRCP,AAC/SBC