Battery Cell Type: Lithium battery.Capacity: 20000mAh.Rated Input: DC 5.0V/2A.Rated Output: DC 5.0V 2.1A Max.Dimension: 135.7*67.3*15.5mm.Optimized Portability:Light and slim, with easy-grip edges—taking extra power anywhere has never been easier.Massive Capacity:20000mAh high capacity, filled to the brim with power. Never worry about dead phones again.2 x USB Fast Charging:Dual ports with oraimo's high-speed charging technology charge two devices at the same time, so all your devices are always ready to go.Elegant Case:oraimo classic 3D texture is resistant to stains and scratches to keep the modern look and fits comfortably in your hand.Superior Safety:Multi-Protection Safety System is implemented to provide a safe power supply to the user and also to ensure long and reliable battery life for devices. Superior Safety:Built-in LED light gives you bright view in the dark. • High Speed Charging Technology: oraimo's exclusive charge technology to deliver the fastest possible charge for any device.• Certified Safe: oraimo's Multi Protect safety system ensures complete protection for you and your devices.• oraimo develops cool and creative smart accessory for young people around the world, enabling them to explore more excitement