Feature: 1. Plug and Play: Portable charger with a for IOS interface and Type C cable. Never worry about messy charging cables again and charge your phone anywhere, anytime. 2. Smart Chip: Portable phone charger has a built in smart chip that automatically identifies and charges most electronic devices on the market. 3. DIY: Mini portable charger powered by a 21700 battery (not included), DIY by yourself, mini portable emergency charger. 4. Wide Application: Portable phone charger is suitable for outdoor activities, adventure, travel, camping, hiking, hunting, mountaineering and other emergency use. 5. Simple Operation, Compact Size: Mini portable charger is simple to operate, just put in the battery, you can charge. Very small mini size, easy to carry. Specification: Item Type: Mini Portable Charger Material: ABS Weight: Approx. 31g/1.1oz Size: Body Length: Approx. 82mm/3.23in Power Supply Battery: 1 x 21700 Lithium Battery (Not Included) Applicable Charging Models: for IOS Interface Phone, Type C Interface Phone Package List: 1 x Mini Portable Charger (Battery Not Included) Note: Please allow some error in manual measurement.