Wireless Bluetooth Trolley Speaker, Total Output 80W RMS. Input modes: Bluetooth, USB, FM Radio, TF Card Reader, Aux port Independent Treble and bass independent adjustment, 2 Wireless Microphones to make announcements or sing along with the music playback in large spaces or crowded situations .Full control panel for Adjustments and inputs User friendly and Sturdy. Adjustable Trolley handle and remote for added convenience Digital 7 Colours LED Display with 4 Modes and RGB Lights function which is perfect for night parties 10 Meters Operating Range, Charging Time: 2-3 Hours, Controls: Volume, Mode and Track Controls, Bass control, Treble control, Mic. in. Two Wireless Mic. and remote provided in the box Subwoofer Size: 8 Inches x 2. Tweeter size: 3.5 inches. Internal and External Battery Support. Battery Capacity: 7200mAH BT Version: 5.0 , S/N Ratio : 60db( +- 2db) , Audio Freq. Response: 50HZ-20 KHZ(+-3db), Power Input: AC Charging 100-240V, EQ Modes: 6