2.4G USB: PC-2401 Wireless Headset

Description: 1)2.4G wireless technology 2)With USB wireless transmitter, compatible to PC windows 2000/xp/vista, etc 3)Easy installation, plug and play, pairing automatically 4)External microphone can achieve free chat 5)Automuteandautotuningfunctionavailableforheadphone 6)With low power consumption design Specification: 1)System:UHF/RF 2)Carrier frequency: 2.4GHz 3)Receiving range: 10m 4)Speaker:40mmmylar 5)Coneimpedance:about32ohm 6)Effectiverange(maximum):about10meters 7)S/Nratio:80dB(minimum) 8)Distortion:1%(maximum) 9) Frequencyresponse:20-20,000Hz 10) Powersupply:2xAAAbattery Accessories: 1)Audiocable 2)USB transmitter 3) External microphone 4)InstructionManual 4)Guaranteeletter