BlueDiamond mini portable speaker

Powered by a 52mm driver, this wired portable speaker delivers loud, dynamic sound to maximize your entertainment experience on the go. It comes with a built-in resonator, which can expand to enhance the depth of sound. It works with your phone, tablet, computer and more through a 3.5mm audio cable. Built-in 300 mAh battery delivers up to 7 hours of music time to liven up your camping or leisure time at backyard.

• Compact speaker with built-in resonator expands to provide deep, full-range sound
• Connects to iPod, iPhone, notebook computers, MP3 and portable CD/DVD players, and more
• Ideal alternative to headphones to enjoy and easily share music and other audio
• Built-in rechargeable battery provides hours of use
• Windows and Mac compatible—no drivers or power supply required
• USB Standard A male to USB mini B male, 3 cm (5 in.)
• 3.5 mm stereo, 6 cm (2.5 in.); built-in