Support Dropshipping and Wholesaling. 100% Original and Good Quality with Free After-sale Warranty. Wireless handheld microphone system for karaoke,party,DJ,business meetings,speech or other outdoor & indoor activities.Adopts UHF 676MHz to 697MHz frequency band(channel A:677MHz-686MHz;channel B:687MHz-696MHz),strong anti-interference.A/D and D/A are used for high performance audio of 24Bit/48KHz;Using the ID code +frequency to encrypt the data to the frequency,which enhances the connection stability.With automatic mute and shock elimination circuit to avoid the impact and noise of the switching;extremely high pick-up sensitivity and excellent tone quality make your speech or singing more clear.The wireless transmission distance is about 30 to 50 meters;multiple devices(max.16 sets)can be used simultaneously without interference or frequency hopping.Color:goldMaterial:metal +plasticSize:23 * 4cmPackage Contents:1* Receiver2* Mic1* Antenna1* USB line1* 3.5mm Converter1* Users'ManualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.