Features: 1.This is a premium high power portable speaker, built with a ridiculously powerful 15W subwoofer to literally turn heads and get everyone39;s attention wherever you go, wherever you playing music or enjoying karaoke with your families and friends. 2.Support treble/bass controls,professional turning at 192 KHz at 24 bits, and a distortion rate of negative 120 decibels,meaning crisp, clear HD audio whenever and wherever you want. 3.It's massive in power and compact in size, suitable for who loves music and loves having a great time. 4.There's built-in ergonomic handle and soft feet on bottom so you can literally take this speaker wherever you want, with absolutely ease.It uses the latest wireless 4.2 technology so you don't have to babysit your device, and takes seconds to set up and is extremely easy to operate. 5.This speaker has dual microphone support so that you can use it with any 2 microphones, making this speaker perfect for karaoke and parties with your families and friends. 6.It also has a built-in FM radio for when you get bored of your own music.It absolutely uses a rechargeable battery and even has extra USB ports so that you can charge your other devices if you need to. Notice: Actual color may be slightly different from the image due to different monitor and light effect Specification: Bluetooth-compatible version: 4.2 Max transmission: 10m Size:As the picture shows Output power: 15W 360 degree high definition surround sound Built-in FM radio, easy operation, and additional USB charging ports. Audio input: AUX, USB, TF card, Bluetooth-compatible Power: USB charge Can connect to microphones Battery capacity: 1500MAH Input voltage: 110V/220V/50Hz Package List: 1x Speaker