BOSE SoundLink Revolve II Bluetooth speaker

Materials Seamless aluminium grille Silicone top with buttons Silicone bottom Battery Rechargeable lithium-ion battery Battery life: Up to 13 hours on average listening volume Charging time: Up to 4 hours when using the provided cable and a recommended 1500 mA (1.5 A) USB power supply (not provided) Using an alternate USB power source or charging while playing music may increase charging time Microphone for voice pick-up built into the top control pad Input Power input: Micro-B USB port 3.5-mm auxiliary input Speaker:15.2 cm H x 8.2 cm W x 8.2 cm D (0.66 kg) What's In the Box SoundLink Revolve II speaker USB cable (micro-B to USB A)