BL Charge 3 is the ultimate, high-powered portable Bluetooth speaker with powerful stereo sound and a power bank all in one package. The Charge 3 takes the party everywhere, durable fabric and rugged housing. Its high-capacity battery provides 2-3 hours of playtime and can charge your smartphones and tablets via its USB output. Specification Channel: 4.1 Type: HiFi Interface Type: USB Feature: Bluetooth Compatible: Universal Playback Function: MP3 Speaker Type: Subwoofer Special Feature: Portable Radio: Yes Package Includes 1 x JBL Charge 3+ speaker 1 x Micro USB cable