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Travel Industrial active noise cancelling headsets and headphones

products.sku: FS997159
Travel Industrial active noise cancelling headsets and headphones
FirstSing products are selling to more than 200 countries in the world, and has the top market wholesalers in Japan, USA, Canada, Spain, France, Germany, India and many other countries. The following are the authenticated Firstsing wholesalers, which can use the Firstsing website product photos and descriptions to show, promote and sell.
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Travel Industrial active noise cancelling headsets and headphones



1) Speaker: ø40mm
2) Magnet type: Neodymium
3)Impedance : 50Ω±10%
4)Frequency response : 20Hz - 20KHz
5)Plug: 3. 5mm stereo plug
6) Speaker sensitivity: 103±3dB/mW@1kHz
7) THD: <1% @94dB, 1kHz
8) maximum power: 80mW
9) Power requirement: 2× AAA batteries