Done in durable 1680 ballistic nylon, this eco-conscious brief is both functional and environmentally friendly. Boasting a highly innovative Solar charging System(SCS), this smart brief ensures your small electronic devices are never without power again. The SCS can be charged at home or office using an A/C adapter or with direct sunlight. It charges most of cell phones, iPod, iPhone, digital camera, GPS, MP3. The accessories include a high performance Li-Ion battery, an AC adapter, USB adapter, and 6 popular cell phone attachments with the case. Additional features include double compartments completely padded to accommodate a laptop up to 15.4", along with all your files and paperwork and business accessories, dual front pockets for easy access to smaller items. Hidden back straps can easily convert it to a backpack when needed, dual carry handles, and a fully adjustable detachable shoulder strap with shoulder pad provide three ways to carry in transit.