With up to a 20-hour battery life, the BF200 lets you stream Bluetooth audio all day from up to 100-feet from your phone, or connect directly to the speaker by AUX input or charging USB connection. The unique design gives you audio on both sides of the unit, for twice the speaker power. Join any two Bullfrogs together wirelessly without an app. No matter where you bring the Bullfrog, its IP66 weatherproof rating means total reliability at the beach, the game or the backyard. Explore a five–band equalizer, FM tuner with six presets, volume control, battery status and more, right from your phone.