1. High Conversion EffIciency:Made of polycrystalline silicon solar cells, the solar panels adopt multi-layered cell to convert the natural sunlight to useable electricity.With up to 19% of high conversion efficiency.2. USB Smart Charging Technology:USB output: 5V / 2A (max), For Smartphones, tablets,GPS, digital cameras Charge.3. Portable Solar Panels:Foldable design, 8W portable solar charger is suitable for camping, , climbing, rock climbing, any external activity. You can also hook it in the backpack through the attachment hook when walking.4. Plug and play: plug and play, easy to use, even for inexperienced beginners, you can also quickly connect.5. Purpose: It can be Fast charging to meet the needs of some low-power electronic products. Great for outdoor work, travel or camping.Name: 8W ETFE solar folding chargerOutput voltage: 5VCurrent: 0-2AOutput interface: dual USB: Grade A polysiliconConversion rate: 19%Unfolding size: 270 x 175MMFolding size: 175 x 130 x 15MMProcess: ETFE lamination integration (2nd generation lamination integration technology)Waterproof grade: IPX6Features: ultra-thin, waterproof, high lightweight, fashionable, dust-proof and scratch resistantcolor:Blue-blackMaterial:ETFEPackage Contents:1 x 8w solar folding charging bag2 x Mountaineering buckleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.