Features 1. The solar panel absorbs solar energy, high efficiency transfer speed, turns into electric power to charge your cell phone or other small devices. When your phone has no power, you can use the USB link of your phone.2. Comfortable handle, less pressure on your arm while holding.3. With a laptop compartment and a iPad compartment inside the main pocket, fits for laptop under 15.6 inch and 9.7 inch iPad.4. Anti-theft design: The backside zipper protects your valuables such as mobile phones, ID card, wallets, etc.5. Breathable Elastic sponge shoulder strap and backside provide your extra back support and feel more comfortable. The solar panel adopts imported Sunpower solar panel, highly efficient sun power transformation, stability voltage panel, no need to worry damaging your phone.size: 38.0 cm x 27.0 cm x 15.0 cmMaterial: nyloncolour: blackPackage Contents:1 x Solar Power Laptop BackpackOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.