Your phone or other MagSafe-compatible devices can be wirelessly charged with the Green Lion MagSafe Ring & Wireless Charger, a compact, fashionable disc. It's convenient to carry with you wherever you go because it's only 2.2 inches wide and 0.3 inches thick. Made of tempered glass and a sturdy aluminum alloy, it features a powerful magnet that secures your device in place while it charges. The charger can swiftly charge your device because it can produce up to 15 watts of power. Qualities Innovative Design for Wireless Charging MagSafe Compatible Materials: Tempered glass shell and aluminum alloy Dimensions: 58 mm in diameter by 7.9 mm in thickness Power: 5V2.4A, 9V/2A input 5W/7.5W/10W/15W output O-shaped Magnet 17, Iron Plate Emitting End, Nickel-Plated, N52, Thickness 1.4+0.5 cm Powerful Magnetic