* Bluetooth Chipset: Bluetrum5656C ;
* Bluetooth Version: V5.4+EDR;
* Diameter of speaker: Φ10mm,
* Impedance: 32Ω±15%;
* Speaker Sensitivity: 112±3dB(1KHz/1mW);
* Speaker Frequency: 20Hz~20KHz;
* Mic: 2718 ; Ceramic Antenna
* Sensitivity:-42dB ± 3dB;
* Frequency Response: 100Hz--20KHz;
* Connection distance:10m;
* Headbuds battery : 40mAh*2;
* Music Time:4-5H; Talk Time:5-6H;
* Case Charging time:≤1.5H
* Charging Case Battery:400mAh
* Charging Case can be charged 3 times;
* Charging Port:Type-c
* Total Standby Time:2000H;
* Supported profile : HFP/HSP, A2DP, AVRCP,AAC/SBC