This speaker pairs easily with smartphones, tablets or other Bluetooth® devices. A specially designed acoustic chamber delivers great sound with enhanced bass. Listen for up to 10 hours on the rechargeable battery. The handy speakerphone with built-in mic gives you crystal clear calls in the office or in the car. Great for phone calls or video chats - alone or with a group. The backlit, touch panel controls make it easy to stay in command—night or day. Connector/Port/Interface: Bluetooth®; 3.5 mm Jack.