Wireless Earphone New Product Ideas 2021 Headset K2 Led Display Wholesale Oem Bt5.0 Tws Earphone Headphone

* Driver Diameter:30mm*2pcs  40mm*2pcs

* Impedance:32Ω

* Sensitivity:102±3DB

* Frequency:20HZ-20KHZ

* Mic Diameter:4.0*1.5mm

* Mic Sensitevity:-38±3dB

* Mic impedance:2.2KΩ

* Directivity:All Directivity

* Cable length:2.2M±0.1

* LED Operating Voltage:DC5V±5%

* Opetating Current:≥100mA
*Headset interface:USB+3.5mm