Play/pause, track back/skip forward and adjust music volume with the buttons on the mic Use the Mic volume switch to increase or decrease your voice volume Add echo with the Remix volume switch Toggle through 4 different voice modes with the Voice Changer button Wireless Bluetooth connectivity offers easy pairing with your smartphone or tablet Long-lasting lithium ion battery offers hours of fun; fully recharges in just 2 hours Built-in 1800mAh rechargeable battery, this Bluetooth karaoke wirele