Big sound. Small speaker. Always ready to go. Just because it's small, doesn't mean it has to sound that way. That's why the SoundLink® Mini Bluetooth® speaker II was engineered to deliver full sound with dramatically deeper lows than you'd expect from a speaker that fits in the palm of your hand. The SoundLink® Mini II has a built-in speakerphone, so you can take calls out loud with clear sound. And voice prompts talk you through Bluetooth pairing, so connecting to your music is easy. Connect it wirelessly to your smartphone, tablet or other Bluetooth enabled devices-up to two at a time. Your music on the go Because it's wireless and ultra-compact, it's easy to grab and take Bose sound anywhere. Its battery provides up to 10 hours of unplugged playtime and can conveniently be charged from most USB power sources Solid build Because the SoundLink® Mini II is engineered with a solid, anodized aluminum housing and a skid-proof rubber bottom, it can stand up to everyday use and be placed almost anywhere.