This SoundLink Mini from the house of Bose is the small speaker with the big big sound. The Bluetooth speaker delivers full sound with dramatically deeper lows than you expect from a speaker that fits in the palm of your hand. And because it s wireless and ultra-compact it s easy to take sound anywhere. And voice prompts talk you through Bluetooth pairing so connecting to your music is easy. The speaker s lithium-ion battery provides up to 8 hours of unplugged playtime and it can be conveniently charged from most USB power sources. It connects wirelessly to your Bluetooth enabled devices. .