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General Specs
Brand	Rapoo
Model	H3000
Input Interface	USB
Compatibility	Windows XP， Windows Vista， Windows 7
Headphone
Frequency Response	20Hz~20kHz
S/N Ratio	85dB
Working Voltage	3.7V
Working Current	50mA
Speaker Size	Φ30mm
Battery	350mA Lithium battery
Working Time	6H
Button	Volume up and down， power switch
Microphone
Sensitivity	-42dB
S/N Ratio	≥55dB
Frequency Response	100Hz~10kHz
Transmitter
Working Voltage	5V
Working Current	50mA
RF
Carrier Frequency	2404MHz-2476MHz
Modulation Mode	GFSK
Receive Range	8m 360 degree
Features
Comes with two built-in headset antennas and a chip which will automatically switch the signal strength using the best antenna to receive data， thus ensuring the reliability of mobile data reception. 360 degree barrier-free listening. Easy to install with NANO transmitter， plug and play. 2.4G two-way data transmission and you can control the volume remotely through the headset terminal. Adjustable to fit the shape of your head. Hidden omni-directional microphone design and sensitive built-in microphone allow you to talk with relatives and friends through the computer network. Built-in rechargeable lithium battery brings you 6 hours’ wireless music with only 3 hours’ charging. Under-voltage alarming function.