SpecificationsKaraoke Party Speaker with 400W (PMPO) and DSP with 5-Mode Preset Equalizer (Built Into Remote): Rock, Jazz, Pop, Classic, Cut.Independent Bass and Treble Precision Rotary Controls. Digital Audio Recorder Built In For MP3 Recording to USB/Micro-SD.Ultra Sharp WHITE LED Display. RGB-LED Party Speaker Lighting System Built In. 6.3mm Microphone Input Jack Built-In. Secondary WIRED Dynamic Microphone Built In. VHF Long Range Wireless KARAOKE MIC included. ECHO Control with Rotary Adjustment Knob.Digital Audio Recorder Built In For MP3 Recording to USB/Micro-SD. Independent MICROPHONE Volume Rotary Control for Mic-Mixing. Microphone Priority Function (Auto Music Level Adjustment during Karaoke). External AC/DC 15V Adaptor / Charger Included (3-4 Hour Charging Time). Rechargeable 12V battery (3Ah, 6 Hour Playback) with Battery Level Display. DC-12V Input Connector for use with any 12V DC Vehicle battery. Wireless Remote controller included.High Power Audio output: 400W P.M.P.O/ 50 W RMS. Frequency Response: 56Hz - 20KHz. Dual 6.5″ HyperBass Drivers for Extremely Powerful Low Frequency Range. Dual 1″ Metal-Alloy Tweeters for Optimum Clarity and High Frequency Audio.