Big speaker sound in a portable size! Bluetooth operating distance of up to 30 feet. Mini jack cable included for optional, non-bluetooth plug-in capability. Speakerphone feature. Built-in bass enhancer. Lithium-polymer battery recharges via included USB cable. Charging time: 1.5 hours. Playback time: approximately 10 hours. Brookstone box included. Fabric/Material: ABS Plastic with Rubberized Finish & Brushed Metal Top.