2019 Factory Price Mini Wireless USB Headset

2019 Factory Price Mini Wireless USB Headset
Product Details
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USB Port Language Laboratory Headphone

Language Lab Headphone Features:


a) Frequency Response: 125Hz ~ 8000 Hz, ± 17 dB (0dB = 20uPa The) (input power = 1mW);

b) Electrical Impedance: 32Ù ± 20%;

c) The characteristics of sound pressure level (sensitivity): the = 100dB/1mW (0dB = 20uPa).


a) Frequency response :40-20000HZ

b) Type: electrets microphone;

c) Receiving voltage response: -47 ± 2 dB (0 dB = 1V/Pa);

d) Directional type: two-way.

Language Laboratory Headphone Detail

Language Laboratory Headphone Packing

1). Packing Measurement








USB Headphone





2). Packing Details

Payment & Delivery

1)Payment Terms: TT, L/C at sight.

2)Delivery Time: 10-15 days after getting the deposit

Real Language Lab Headphone Case

With this motto in mind, we've come to be one of quite possibly the most technologically innovative, cost-efficient, and price-competitive manufacturers for 2019 Factory Price Mini Wireless USB Headset. We have a modern office environment, as well as high-quality scientific research and technical personnel and management team. Our country provides the private enterprise with new innovation market space and development space to create more brilliant achievements possible for them.
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