Bluetooth Wireless microphone System:-Built in UHF technology ensures full digital signal to transmit audio, reducing the possibility of interference and dropouts, providing the better sound quantity. Bluetooth function allows you to connect phone, tablet and laptop with bluetooth to play the background music. The working range is up to 100ft (10 selectable UHF frequency) ˆšCardioid Dynamic microphone: -Build for HiFi studio High-quality sound transmission microphone makes sure clear voice without feedback. your voice will never cut through any mix. 10 hours play time make sure freely use. ˆšWide Compatibilitymicrophone: -Handheld wireless -a freedom designed for any situation This wireless microphone offers you an easy way to connect any audio devices such as speakers/power amplifiers/mixers/PA system/car audio. Ideal for stage Show, party, outdoor wedding, conference, church, classrooms ˆšEasy Control & Low Battery Indication:-Plug and play, Three-step connection:install batteries in microphone and receiver. connect receiver with audio equipment with 6.5mm port. Press the SET button to choose a channel, now you can enjoy the fun of Stage Sound The LCD screen will show you the battery capacity, reminding you to change battery in time.