Home » Review » Wireless Products SF-381
Wireless Products

Wireless Products

2.4G Wireless Headset, Model Number: SF-381

The 2.4G back-hang wireless headset comes with removable microphone. As a type of wireless products, it is developed using mature radio transmission technology which offers stable signals, small distortion, wide transmitting range and other advantages. With wireless duplex mode, the 2.4G wireless headset provides dual functions of wireless output and input. In addition to wireless music and communication, the back-hitch wireless headset boasts compact and elegant design.

1. Range: >10m
2.Type: Foldable hitch headset
3.Frequency response: 20-20,000Hz
4. Modulation method: GFSK
5.Signal to noise ratio (SNR) : >80dB
6. Microphone sensitivity: -30±3dB
7. Impedance: 32 ohm
8. Interface: USB (Optional: 3.5mm jack converter)
9. Color: Black, red
10. Power supply for the wireless headset: Rechargeable built-in Li-polymer battery
Power supply for transmitter: USB power supply (5V/200mA)

1. USB charge cable
2. User manual

Packaging: Folding carton

All our products are warranted for 13 months. During this period, we will take back or replace any goods with quality problems and pay related freight.
We is a Chinese wireless products manufacturer, providing headband bluetooth headset, bluetooth stereo headset, and more. With the full manufacturing chain of mono bluetooth headset, game console bluetooth headset, etc. completed in China and even in one city, we are able to offer high quality products at competitive prices. In addition, complete service is available at We. Hence, you can feel secure in choosing and using our products.

Other Products
    1. Bluetooth SpeakerThe crystal Bluetooth speaker is high-tech, digital product which can be used as a gift. When you connect it with a cell phone and play music ...
    1. Mini SpeakerThe iPod/iPhone speaker comes with FM radio and remote control function.
      The double-bell alarm clock allows you to wake up to ...
    1. Handsfree Bluetooth Car Kits The car kits offer optimum sound quality. Using digital signal processor (DSP), and advanced technologies for noise reduction and echo ...
    1. Bluetooth Keyboard It supports iPad and iPhone 4G as well as PC with Mac os operating system.
      Bluetooth V2.0 wireless technology ...