Professional Rechargeable DSP Party Karaoke Speaker Built in 1500W Hard hit power plus additional 2 x Metallic UHF Anti-Feedback Wireless Microphone. Built in Digital Optical Input for connecting any Smart TV to enjoy streaming videos and karaoke. Bluetooth Function to connecting any Phones / Tablets device sing karaoke wirelessly mobile. USB Recording Function which you can sing and record your own voice and playback. 2 x wireless handheld microphones. 3 Meters Optical Cable. Max Power Output: 1500W. Built-in powered amplifier with DSP Controller for professional Karaoke. REVERB, DELAY, ECHO, FBX, EQ, X-BASS, VOCAL ON / OFF. USB Recording Function and Playback. 15″ super-bass woofers + 6.5″ Mid + 3 high efficiency tweeters. Optical Input to most smart TVs, Karaoke player, DVD player etc. Dual high quality wireless microphones and 2pcs Microphone holders on the top. IPad holder on the top for easier karaoke with Lyric, sing along anywhere, anytime. Built-in high capacity rechargeable battery that can last 6-8 hours playtime after fully charged. 5V USB Charging for LED Party Lights to get more fun. Music Volume Control / Bass/Treble. Microphone Volume Control / Reverb / Delay / Echo/Bass /Treble. Mode (Switch between FM / Bluetooth / AUX / OPT / COA / TF Card). Side panel has digital clear LCD Display and full controller, battery charging indicator, power switch, and charging input jack. Microphone Inputs x2 / Guitar Inputs x 2 / Line in / Audio out/ TF Card input. Plug and play your favorite songs (MP3 files) via USB / TF Card input with MP3 player module built-in. Built-in aluminum trolley, handles and rolling wheels for easy carrying around. Product dimension (H x W x L): 31.22 x 17.34 x 16.32 inches.