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 size allows you to take it anywhere and fits in your pocket. For users: 360-degree sound field and a unique design allow the cable to be neatly stored in the base of the speaker. Great sound 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 watts. Simple to use: Power switch and volume control located on the side. Power your device: LED power indicator shows charging and power status. Mini USB port for charging. 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: Lighting and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1–3 cm.