Bose SoundLink Color Bluetooth speaker II - Soft black Innovative Bose technology packs bold sound into a small, water-resistant speaker Rugged, with a soft-touch silicone exterior that makes it easy to pick up and go.Bluetooth 4.2 Wireless. 3.5mm Auxiliary Port Voice prompts talk you through Bluetooth pairing so its easier than everor even quick-pair with NFC devices Lithium-ion battery lets you enjoy up to 8 hours of play time, rechargeable with USB power sources Built-in mic for speakerphone or accessing digital assistants like Siri or Google Now. The mobile devices must be within range