Romoss Solo 4 8000mAh Power Bank 8000mAh, Long-lasting power supply to your device. Charge iPhone up to 4 times. Built with the leading Fitcharge Technology, it is perfectly compatible with a variety of smartphones, MP3s, MP4s and other mobile devices. Ease your charging emergency! It can be charged and charge your device at the same time. Never worry about a situation where your power and device are out of power. The built-in 2.1A output enables to charge your device faster than before. It combines with protective system to let go of your safety worries while fast charging. Features: - High capacity up to 8000mAh - Perfectly charge mobile phones, MP3s, MP4s etc. - Stunning sync charge - Fast charge and self-charge - Dual-output, charge 2 mobile devices simultaneously Specifications: - Weight: 256 g - Dimensions: 13.8 x 6.2 x 2.1 cm - Interface USB - Charging Time 5 hours