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Noise-Canceling Headphones with built in battery

products.sku: FS996960
Noise-Canceling Headphones with built in battery
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.
Normal Patented Wholesaler
Jose D Blanco Velasquez Alex P Scott Jones Kelly Archie David CiresiDavidC Shawn Vest Adam Zee Matthew Gutierrez Eric Patterson mpp k View all
     

Noise-Canceling Headphones with built in battery


Features

1.Active noise canceling technology headphone
2.Compact, light, and portable device
3.High fidelity sound recovery
4.With Li-ion battery inside
5.High capacity battery
6.Easy and comfortable for using in any audio application

General specification

1.Frequency Range: 20Hz ~ 20KHz
2.Impedance: 32W
3.Sensitivity: 115dB/mW
4.S/N ratio: 110dB
5.Battery operating time: 20Hours
6.Accessory: phone connector cable, USB charging cable