The SoundLink Mini Bluetooth series II is small but powerful. It delivers full sound with dramatically deeper lows than youd expect from a speaker that fits in the palm of your hand. Wireless and ultra-compact, so you can take Bose sound anywhere. Built-in speakerphone lets you take calls out loud with clear sound. Voice prompts talk you through Bluetooth pairing. Up to 10 hours of unplugged play time. Charges with most USB power sources. Connects wirelessly to your smartphone, tablet or other Bluetooth enabled devices - up to two at a time. Compatible with iPod, iPhone and iPad. Bluetooth compatible. 3.5mm AUX in. General information Size H5.1, W18, D5.8cm. Power from USB. USB cable included. Li-Ion batteries (included) . Battery life 10 hours. Manufacturers 2 year guarantee.