Dongguan Tuanli Electronic Co., Ltd. [China]

1 Big earmuff headphone with Mic 2 Very good sound quality 3 OEM is welcome

Specifications:

Diver Unit Diameter:ø40mm

Frequency Response:20Hz-20KHz

Sensitivity:115±3dB at 1KHz

Impedance:32Ω±15%

Mic Senitivity:-58±2dB(6*2.7)

Plug type:ø3.5mm stereo

Big earmuff headphone with Mic