Overview: 1. Portable Charger: Ideal for boosting power and extending life for your tablet, cell phone, wireless speaker, e-reader, or other standard USB devices, provides 1500mAh internal battery and shared output power for more extra battery. 2. Waterproof Rubber Surface: Designed to withstand the most extreme outdoor conditions, waterproof, drop-proof and dustproof, suitable for camping, hiking or mountaineering, or just going out. Compact design can be easily taken to different places for use. 3. Built-in Carabiner: The ability to attach the included carabiner clip to a backpack, belt, harness, or any safety loop keeps your power within arm's reach. It can be carried in a pocket, purse, or handbag. 4. Stay Charged: A great adventure companion that fits easily in a pouch, purse or backpack so convenient power is always within reach with pass-through charging. 5. Small & Compact Design: Suitable for iPhone 12, 12 Pro/Max, 12 Mini, 11, 11 Pro/Max, XRs, XS/Max, X, 8, 7, 6, 6S, 5, SE, for iPad / for Android, for Samsung Galaxy), wireless speakers, wireless headphones/earbuds, USB camping and outdoor accessories. Product information: Additional features: Super thin and light Category: General purpose Application type: conventional mobile power supply Battery type: Square aluminum case Cell type: polymer lithium ion cell Case material: plastic Power capacity: 1500 mah Size: 40 * 70 * 18 mm Conversion rate: 80 (%) Charging power: 5W Features: Key ring design, easy to carry Expansion plug, plug and play, compatible with various mobile phones/Bluetooth headsets No data cable is required, plug in and charge Packing list: 1× portable battery