[165FT/50M Long Range Wireless ]The handheld microphone is equipped with a that ensures a true 165FT/50M long control distance, allowing you to move freely in rooms. This cordless microphone for singing features VHF audio transmission with unparalleled performance, high signal-to-fault ratio for clear, noise- and distortion-free, crisp vocals and excellent sound reproduction. How to use]This handheld microphone system is easy to use, just plug and play. First plug the receiver into the USB-A input of your device. connect the receiver to the device's microphone input with an adapter cable. Please note: It only works for microphone input, not for AUX input, otherwise there will be no sound. Battery Powered]This wireless singing microphone does not contain any batteries, we recommend using 2 AA batteries, which can work for 6-8 hours. The receiver doesn't need any batteries. karaoke, classroom, office and commercial applications. Perfect for public audio and studio performances. Widely Compatible]Comes with 3.5mm plug audio cable and 6.35mm connector. This wireless handheld microphone is suitable for microphone input speakers, singing machines, audio amplifiers, Pa , mixing consoles, voice amplifiers and more streaming media. Not compatible with Bluetooth speakers, laptops, projectors. Note: 2 AA batteries are required and not included. Colour:black Material:Plastic, Metal Package Contents: 1 x handheld microphone 1 x receiver 1 x 3.5mm plug audio cable 1 x 6.35mm connector 1 x English instructions Only the above package content, other products are not included. Note: Light reflection 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.