Wintech WH 46 Multimedia Headset  USB 
Premium USB Stereo Headset with headframe 
suede ears 
For internet telephony and web applications 
Colored audio connector for easy connection 
Excellent sound quality 
Lightweight 
volume control 
Specifications: 
Color: silver-black 
connection: USB 
Form: head-frame 
compatibility: PC & Mac compatible 
Frequency: 20 ~ 20,000 Hz Diaphragm 
Diameter: Ø40.0mm 
Impedance: 32O Ohm 
Power Rating: 15mW 
Max power: 40mW 
Microphone:-45B ± 3dB 
Directivity: Omni I
mpedance: 2.2kOhm 
Cable length : about 2.2 m 
Control volume control weight: 262g