BLUETOOTH ALL-PURPOSE SPEAKER: With the JBL Flip 6, which is designed to produce loud, powerful, and crystal-clear sound, the beat continues. This speaker can play high-quality audio continuously for up to 12 hours. A STRONGER SOUND: Dual external passive radiators show off the speaker's power so you can hear, feel, and see the bass. Additionally, a racetrack-shaped tweeter and woofer produce remarkable high and low frequencies. NOISE CANCELING AND WIRELESS: Take turns playing amazing stereo sound by wirelessly connecting up to two smartphones or tablets to the speaker. Take crystal-clear calls from your speaker as well, thanks to the speakerphone's noise and echo cancellation features. STRONG & WATERPROOF: Eliminate concerns about spills and rain: You can even submerge the Flip 6 in water because it is totally waterproof. Additionally, the strengthened, long-lasting fabric and tough rubber