Wireless Freedom GOLDEN MARS wireless microphone utilizes the latest 2 4G Hz frequency connection technology which makes the connection range Upgrade to 300Ft ensures a stable and fast connection without worrying about delays and interruptions Ideal for freedom of movement during performances this karaoke microphone wireless is suitable for indoor and outdoor events Battery Operated Rechargeable The professional karaoke microphone is designed to be powered by 1 AA batteries and the receiver is powered by 1 AA battery You don t need to buy batteries the product comes with three 1200 mAh rechargeable lithium batteries that fit right in Both the karaoke mic and receiver utilize USB C charging ports for recharging and can be fully charged in just 2 3 hours and a full charge will last for more than 10 hours of continuous use eliminating the need to purchase batteries over and over again Plug and play and multi compatibility Insert the receiver into an audio device with a 6 35mm or 3 5mm microphone jack Then turn on the receiver and wireless microphone they will automatically pair Compatible with devices with 6 35mm 1 4 inch or 3 5mm 1 8 inch microphone interfaces such as party speakers singing machines amplifiers PA systems audio interfaces truck speaker systems dome speaker systems etc AUX interface not applicable Crystal Clear Voice The GOLDEN MARS wireless microphone system features advanced DSP technology and intelligent noise reduction ensuring crystal clear vocal clarity and a faithful reproduction of sound Its smart anti feedback technology allows it to be placed up to 1 meter away from the speaker without any feedback issues providing an ultimate audio experience Additionally thetuning technology delivers a natural sound output enhancing the authenticity of every note and allowing the true essence of the voice to shine through Premium Construction The wireless microphone is elegantly constructed from anodized aluminum ensuring scratch resistance and durability with a refined non slip finish Its streamlined curved design enhances grip comfort delivering a luxurious and sophisticated feel for an exceptional performance experience