The BRS-1102 is a portable, hi-fi audio system with Bluetooth connectivity and integrated MP3 player. The sound is produced by dual 2.5” full range drivers enclosed in a port tuned enclosure. This unit boasts an internal rechargeable battery that can provide up to 6 hours of continuous play. Its built-in Microphone and full range sound allow this unit to function as a powerful speakerphone. In the office, at the park or on the go, the BRS-1102 is the perfect accessory for your mobile devices.