The KAR100 is a battery operated sing station with many unique features. Among them are a USB input, SD card reader and also Bluetooth function so you can play your favourite tunes from your phone or tablet wirelessly.Run this speaker from the mains or take anywhere with the built-in battery, lasting up to 3-4 hrs of continuous play!The built-in LED lights rotate and pulsate to the beat, creating a spectacular light show on your walls and ceiling.. Features. Media player with USB/SD and Aux input. Including wired microphone. Using Bluetooth wireless technology for audio streaming. Powerful 100W amplifier. Illuminated speakers RGB LEDs (on/off switch). LCD screen with MP3 time information. 2 Microphone inputs (6.3mm Jack). Echo effect for microphone. Built-in battery for 3-4 hours operating time. Easy handle to carry your sing station. Infrared remote control. Includes cable to connect your smartphone or tablet.. Specifications. Power max: 100W. Frequency response: 55Hz- 20kHz. Signal to noise ratio: Over 80dB. Speakers: 2 x 3". Battery: 7.4V / 1500mAh. Power supply: 100-240VAC / 50-60Hz. Dimensions: 350 x 300 x 210mm. Weight: 4.0kg