Music anytime, anywhere Small and light enough to pack into your bag the Bose SoundLink Mini still manages to deliver impressive sound and deep bass, wherever you choose to listen. The rechargeable Lithium-ion battery gives up to 12 hours of play time with easy USB charging. Wireless Bluetooth Play music straight from your smartphone or tablet with Bluetooth 4.0. Pairing is easy thanks to voice prompts to talk you through setup. You can pick up phone calls or launch your phone's voice assistant with the built-in speakerphone.