Ativa&trade; Bluetooth &reg; Speaker, with remote 15.7" x 5.5" x 8.9", Gray/Silver Dynamic sound in a sleek desktop design Connect non-Bluetooth device with optional 3.5mm audio cable 30 foot (10 meter) wireless connection range Includes 2.1 CH output with subwoofer, USB port for charging compatible audio device, 3.5 mm aux-in jack, Remote Control, CR-2032 button cell lithium battery Bluetooth 3.0 , Frequency 2.4GHz- 2.48 GHZ