[3 in 1 Wireless Machine] It can be used as a microphone with shocking karaoke sound effects. HI-FI stereo sound and intelligent noise reduction technology, offers you and your friends a better KTV experience.[Karaoke Bluetooth Microphone] Stable one-click connection of Bluetooth with strong signal. Supports to send microphone signals between roughly one and 10 meters. Makes you freely enjoy the joy of music.[Fun Magic Sound] Long press the REC button at the Karaoke mic, and you can switch to different modes as you like. Built-in DPS audio processing chip, five kinds of magical voice-changing effects for selection. Child voice, male voice, honey voice, original voice, tough voice.[Long Working Time] Karaoke wireless microphone with a long working time, which could continuously work for 2-3 hours after fully charge, sing whenever and wherever you want.[Wide Compatibility] Compatible with Android & iOS system smart phone or iPad and Bluetooth devices. Karaoke wireless microphone supports TF card, USB and AUX. Recommended Charging Voltage: DC 5V/1A (Max charging current should not exceed 2A)