Model No :Iball WR621 Cordless Headset (With FM Radio)
Features:
Cordless FM/RF technology
360 degree wide angle clear signal reception
30 Meters open radius cordless range
Built-in FM Radio with digital tuning
Can be connected to PC, Laptop, DVD Players, Music Systems, MP3 Players, Disc-man, TV etc.
Cordless Technology: FM/RF Cordless technology
Effective Cordless Range : Upto 30 meters
Working Angle : 360 Degrees
Transmission Frequency : 87.5 ~ 88.0MHz
Transmission Channels : 2 Channels
Radio Tuner : Built-in FM tuner
Headphone Power Source : 2 x AAA Alkaline batteries
Transmitter / Receiver Power Source : DC 4.5V / 100mA or 2 x AAA Alkaline batteries
Headphone Driver Unit : 40.0mm
Headphone Frequency Response : 20Hz ~ 20kHz
Headphone Sensitivity : 110.0dB ? 3dB (at 1KHz)
Headphone Impedance : 32 ohm
Controls : Volume control with on/off, Reset, Tuning
Input/Output Plugs : 3.5 mm plug
Bundled Accessories : DC 4.5V / 100mA Power adapter
One year warranty