Features: - 2.1 Channel multimedia speaker with USB/SD/FM/BT/Remote control - Aux Audio input compatible with DVD/PC/LCD TV - Fully Functional remote control - Digital FM playability - LED display - Power indicator LED Specifications: - Output power: 50W (30W + 10Wx2) - Speaker Sizer: Main Unit - 13.33cm (5.25") - Satellite Speakers - 7.62cm (3'') - Impedance: 4 - Frequency Response : Main Unit; 20Hz - 200Hz - Satellite: 200Hz - 20Hz - S/N Ratio: 60dB - Separation: 40dB - FM Frequency Receiver: 88MHz - 108MHz - Power Supply: AC 100 280V/50-60Hz - Controls Provided: Encoder/Mode/Play/Pause/Previous/Next/ - Input and Output: RCA Jack Includes: - Main unit X 1pc - Satellite Speakers X 2pc - User Manual - AAA Battery X 2pcs What's in the box 1 X Ultra Link 2.1 Bluetooth Speaker System