High-efficiency solar charger made by SNAN. ★ Maximum output of 21W: Efficiently converts sunlight into electricity (conversion efficiency up to 23.5%). ★ Equipped with two USB ports: Can charge two devices simultaneously, such as smartphones and tablets. Fast & Smart Charging: Automatically detects connected devices and charges them at the optimal speed. ★ Compact & Lightweight: Foldable design makes it easy to carry. Doesn't take up much space in your bag. ★ Durable & Waterproof: Made with sturdy PVC fabric and PET lamination, suitable for outdoor use (not fully waterproof). ★ Condition: Brand new, unopened ★ Purchased from: BtoB auction ◾️Shipping Will ship within 1-2 days with simple packaging.