Blue ear&reg; Portable Stereo Mini Speaker For Phone and Computer (BLUE) This speaker produces booming sound from your iPod, iPhone, iPad, Android Device, Blackberry, Smartphone and more. Better your sound volumn and sound quality from phone, computer and Ipad This portable media speaker can be used in your home, at the office, the beach and anywhere you want to listen to music Built in rechargeable Li-ion battery, provides up to 7 hours music playback 40mm driver produces Hi-Fi sound