High Quality 2 IN STOCK!!! 1 Blue + 1 Black. $10 EACH Dimensions: 6 x 7 x 6 cm Weight: 0.2 kg 3.5 mm Auxiliary Input USB Input Headphone Jack Speaker connects to a computer or other USB power source via the included USB cable to recharge the internal lithium ion battery. Remarkable vacuum bass design gives surprising volume & bass response in a speaker that’s so small! Perfect for laptops, cell phones, iPhone, iPod & other MP3 players, any audio source.