The JBL Flip 4 is a portable Bluetooth speaker that delivers powerful stereo sound. The compact device is powered by a 3000 mAh rechargeable lithiumion battery that offers 12 hours of continuous operation time. Sporting durable, waterproof fabric materials, the speaker is an ideal companion for all outdoor activities. It also features a noise- and echo-cancelling speakerphone and supports services such as Siri or Google Now.