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 its 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.COMPACT DESIGN; Super small design allows you to take it anywhere & fits in your pocketFOR USERS; sound field & a unique design allows the cable to be folded neatly in the base of the speakerA GREAT SOUNDING EXPERIENCE; Lithium ion battery lasts up to 5-6 hours (depending on volume level) with a powerful output for its compact size of 2.4SIMPLE TO USE; Power on switch displayed on the side and volume controlPOWER YOUR DEVICE; LED power indicator to show power and charging status. Mini USB port for charging the devicesize:Approximately 52x52x3.8mmMaterial:ABScolour:blackPackage Contents:1 * Speaker1 * USB CableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.