Designed for iPhone: Anker Nanos 20W output is designed to provide the maximum charge to iPhone 12. Unrivaled Speed: Charge iPhone 12 and previous iPhone models up to 3× faster than with an original 5W Charger. Space-Saving Design: At 50% smaller than a standard 18W iPhone charger, Anker Nano provides more power while saving space in your bag or while plugged into a wall outlet. Works with Most Handheld Devices: Provide up to 20W charging to most flagship phones including iPhone and Samsung Galaxy S20 as well as smartwatches and earbuds. What You Get: PowerPort III Nano, welcome guide, our worry-free 18-month warranty, and friendly customer service (cable not included). Specs Input: 200-240V 0.6A 50-60Hz Output: 5V=3A/9V=2.22A (Max 20W) Size: 45 × 27 × 27mm Weight: 30g *Provide up to 20W charging to most flagship phones including iPhone and Samsung Galaxy S20 as well as smartwatches and earbuds.Provides only normal charge up to 12W for Huawei, Oppo, Oneplus and Vivo Devices Whats in box 1 x Anker PowerPort III Nano 1 x Welcome Guide 18 months friendly customer service