"Build-In 2400Mah Battery, Long Battery Life Professional Karaoke Experience ,Compact And Portable Ktv Machine Featuring Dual Wireless Microphones.Enhanced Connectivity: Equipped With Bluetooth 5.0, Aux, Usb, And Tf Card Support ,Dynamic Led Light Show,Portable Design: Lightweight And Easy To Carry With A Durable Handle, Making It Ideal For Home Use, Outdoor Events, And On-The-Go Entertainment."