Color: Black Flip 4 is the next generation in the award-winning Flip series; it is a portable Bluetooth speaker that delivers surprisingly powerful stereo sound. This compact speaker is powered by a 3000mAh rechargeable Li-ion battery that offers 12 hours of continuous, high-quality audio playtime. Sporting durable, waterproof fabric materials that are available in 6 vibrant colors, Flip 4 is the all purpose, all weather companion that takes the party everywhere. It also features a built-in noise and echo cancelling speakerphone for crystal clear conference calls, and Connect+ technology that can wirelessly links more than 100 Connect+ enabled speakers together to amplify the listening experience. With a simple button press, you can activate and talk to Siri or Google Now from your Flip 4. Charging time (hrs) 3.5 and Output power (W) 2 x 8. Box Contains1 x Flip 4; 1 x Micro-USB Ladekabel; 1 x Quick Start Guide 1 x Safety Sheet; Warranty Card