Bose SoundLink Mini Bluetooth Speaker II-Carbon Color: Carbon Speaker Type: Bluetooth Speaker Specification: Wireless range up to 30 ft. (10 m) Battery life up to 10 hrs Inputs/outputs: 3.5 mm auxiliary Micro-USB port Speaker Wireless Technology: Bluetooth Input Ports: 3.5 mm auxiliary Micro-USB port Operating Range: Wireless range up to 30 ft. (10 m) Playback Time (up to): Battery life up to 10 hrs Dimensions: Speaker: 2.00 H x 7.10 W x 2.30 D Charging cradle: 0.63 H x 6.20 W x 2.00 D Wall charger: 2.65 H x 1.90 W x 0.60 D