Wired/Wireless dual Working Mode
The device can works in wired mode by connect the audio-USB cable when you run out of battery. you will never interrupted by empty battery.
The hidden omni-directional microphone automatically picks up your voice with remarkable clarity.
Built-in rechargeable lithium battery
Recharge by using the universal mini-USB cable—even while you’re still playing; 2-hour charging,6-hour enjoyment.
Windows® XP,Windows® Vista,Windows® 7 USB Port
Mac OS® X 10.4 or later USB port
155mm * 166mm * 60mm