Works with iPad/iPhone/iPod, android and other bluetooth-enabled devices. Integrated microphone with talk and end buttons to be used as speakerphone with paired cellular phone. Aux input. Custom leather-style case with carabiner clip protects unit while letting music through. Carabiner features bottle opener and attaches to backpack for sound on the go. Rechargeable li-ion battery for portable use. Durable rubberized cabinet finish. Micro USB to USB charging cable. Warranty: One year. Silver color. 8.8 in. L x 6.7 in. W x 3.2 in. H (1.14 lbs.).