Features. 1. Made of high quality material, environmental friendly, waterproof, durable and sensitive. 2. Can be used to charge cell phones, mobile power, etc. 3. Light weight, foldable and easy to carry. 4. Light weight, ultra-thin, easy to store and install. 5. Suitable for outdoor activities (camping, travel, hiking ……) , emergencies and outdoor work, and can continue to power even in cloudy days. 6. Applications. Cell phone, USB fan, camera, flashlight, etc. 【 21W 】 Size: 170mmX29m Output current: 0-3500MA Attention. Standard USB output is suitable for cell phones and other portable digital devices. Charging devices need to expose the solar charger to sunlight, there is no power storage function. Package includes: 1x solar charging board
