Built-in Bluetooth speaker. Supports Bluetooth 5.0. Bluetooth wireless allows straightforward wireless pairing of Bluetooth enabled devices. Full range speaker. Passive radiator for rich full sound. Controls: mode volume up volume downplay/pause/pairing/answer phone. Cloth speaker grill. Wireless range: 65 feet. Micro-USB port for battery recharge. DC battery power: built-in rechargeable lithium ion battery. Battery life: 5 hours. Dimensions: 3.62" x 1.77" x 3.66". Includes Micro USB to USB charging cable. Manufacturer limited warranty.
