This portable sound blaster with Bluetooth wireless technology is rechargeable, Bluetooth range up to 32 feet, connects to any audio device via 3.5mm aux in port. It has a rotary volume control knob. This package includes a 3.5mm aux in connection cable and a USB charging cable and remote control (battery included). The speaker is 18.25" x 4.45" x 5.15" in size and comes packaged in 20" x 6.50" x 5.75" box.