M13 Bluetooth headphonds Dual ear digital display with charging bin E-sports headset TWS Cool games earbuds Bluetooth earphones

1.Bluetooth Chipset:Version:5.2+EDR

2,Bluetoothsupport:HSP,HFPA2DPAVRCPSBC

3,Frequency range: 2.402-2.48GHz

4,Headset battery: 40mAh

5,Charging base battery capacity:400mAh

6,Speaker:f10mm,impedence: 32±15% Ohms

7,Frequency Response:20~20kHz

8,Sensitivity(S.P.L):95dB±3dB/mW(at 1K Hz)

9,Mic sensitivity:-42DB±3DB.

10,Touch key for switch on / off.11，Play/Call time: 4Hours