The speaker system can be easily used with your DVD, television, and other devices. It provides excellent sound quality with cutting edge bass. The AUX cable can be used to play music directly from your tablet of smartphone. A nifty remote allows you to adjust various settings from a distance. It features FM connectivity that lets you tune in to the radio channels of your choice. Impedance: Main Unit - 8 Ohms, Satellite - 4 Ohms. Bluetooth Version: 2.0. Bluetooth Range: 7 to 10 m. Frequency Response: Main Unit - 40 - 150 Hz, Satellite - 150 Hz-20 KHz. Frequency Response (Separation): Greater than equals to 35 dB. FM Frequency Receiver: 87.5 MHz to 108 MHz. Power Supply: AC 220 - 240 V/50 - 60 Hz. Controls Provided: Input, Mode, Vol+, Vol-, Prev/CH- TU-, PP/Scan, Next/CH+/TU+. Connectivity: SD Card, Bluetooth. AUX audio input compatible with DVD/PC/TV. 5.1 pro logic output from 2.0 channel input (AUX). LED display. Digital FM playability. Full function remote control. Power Indicator LED.