The Bass Buddy twists apart and expands to create a mini speaker. The internal battery lasts up to 6 hours and charges using any for PC or with a USB port. With conveniently stored 3.5mm line in cable, the speaker is compatible with any device that has a headphone port. No complicated setup process just plug in and play, you'll be enjoying your favourite music in seconds. DESIGN; Super small design allows you to take it anywhere & fits in your pocket FOR USERS; sound field & a unique design allows the cable to be folded in the base of the speaker A GREAT SOUNDING EXPERIENCE; Lithium battery lasts up to 5-6 hours (depending on volume level) with a powerful output for size of 2.4 SIMPLE TO USE; Power on switch displayed on the side and volume control POWER YOUR DEVICE; LED power indicator to show power and charging status. Mini USB port for charging the device size:Approximately 52x52x3.8mm Material:ABS colour:black Package Contents: 1 * Speaker 1 * USB Cable Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed is +/- 1-3cm.