Ultra-thin&Light: The power bank extend the device’s battery life, and only 4oz weight, with small size, easily take it travelling and no more worry about running out your device battery.
High compatibility: It intelligently identifies each connected device, not only charge for phone, it can charge most USB charged devices.
Premium Capacity: This powerful 4000 mAh fast portable external battery charger provides almost one full charge to your iPhone 7 plus, Galaxy S5, Note 4, Nexus 5, or 1.5 times charge to your iPhone 7. You do not have to run out of battery now.
Auto PW technology: It is a button-free design; all you need to do is knock the middle gently to show how much power left. Simple connect the power bank to your device and enjoy the full speed charging.
UV Matte Coating makes the surface of power bank hard and solid, which is not easy to be scratched or stained. Built-in Tech core protects your devices against excessive current, overheating, and overcharging.
Battery Type:Li-polymer Battery
Battery Capacity:4000mAh / 3.7V 14.8Wh
Weight: 4 oz
Product Size: 116*60*7mm
Interface: 1 x USB Output, 1 x Micro USB Input, 4 LED Indicators
Self-Charging Time: 4 Hours (1A Adapter)
X1 Power Bank 4000mAh x 1
Micro USB Cable x 1