The Bass Buddy twists apart and expands to create a mini speaker. The internal battery lasts up to 6 hours and charges easily using any PC or device 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—just plug in and play. Enjoy your favorite music in seconds. COMPACT DESIGN: Super small design allows you to take it anywhere and fits in your pocket. FOR USERS: Sound field and a unique design allow the cable to be folded neatly in the base of the speaker. A 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 2.4 inches. SIMPLE TO USE: Power on switch displayed on the side and volume control. POWER YOUR DEVICE: LED power indicator shows power and charging status. Mini USB port for charging the device. Size: Approximately 52 x 52 x 3.8 mm Material: ABS Color: Black Package Contents: 1 x Speaker 1 x USB Cable Only the above package content is included; other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. Measurement allowed error is +/- 1–3 cm.