Have fun on the go with this mini karaoke speaker and mic. Built-in rechargeable battery supports up to 5 hours of use @ 50%. Feature USB MicroSD and AUX inputs play audio files and non-Bluetooth devices. RGB lights surround top of speaker with 6 color change modes. 5 Fun voice changing effects - Baby Male Female Deep Shout. Stream music with Bluetooth 5.3. 5W Speaker output. 5V Charging voltage. Frequency response: 60Hz-20kHz. Speaker impedance: 4ohm. Recharge via USB Type-C charging cable. Includes wireless mic and charging cable.