This tiny 1-inch cube speaker is so small that you can easily keep it in your pocket. It’s ultra mobile, and perfect for the person on the go.

The itty-bitty speaker has a built-in rechargeable lithium battery which will give you about 4 hours of play time on a single charge from your computer’s USB port. A cleverly concealed 3.5mm audio connector folds out from the side of the speaker so you can plug it directly into the jack on your portable media player. There’s even a hole that lets you easily hang it from your keychain. It’s not going to be eardrum blowing loud, but for how ultra mobile it is, its good enough.

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