The JBL Flip with Bluetooth capability is an ideal wireless stereo system for smartphones and tablets. With two 40-millimeter (1-5/8") drivers and a built-in bass port, it delivers full-range JBL sound with exceptional bass -all in a portable package. The JBL Flip offers up to five hours of playback time from its built-in Li-ion rechargeable battery and connects wirelessly to any Bluetooth-equipped device. With performance that comparably priced products can’t match, the JBL Flip is the ultimate wireless, portable stereo speaker for any environment