Power up with Vivitar’s 2600mAh Slim Power Boost. This power boost charges USB devices on the go and provides up to 2 full charges for your electronics. With a sleek, portable, design, built-in battery indicator and available wall charger never be out of style. This power boost allows for 48 hours of talk time, 30 hours of music time and 20 hours of video time. Compatible with android and apple products.