Innovative Portable Light,Granvela Greeno Foldable Book-Shaped lamp Embeded with 7000mAh Power Bank (USB Port), Art Deco and Surprising All-Season Gift-Green Superior durability:DuPont Tyvek delivers unparalleled strength in an ultra-lightweight material .Combined with a unique structure that allows it to repel water and resist tearing. Lighting Color :GreenO can provide 5 kinds of color including warm white,red,green, blue and mixed. Long lighting time: 8 hours white lights, colored lights 24 hours More Applications: suitable for use in indoor and outdoor and other occasions. According to your different needs, book lights can be opened from 0-360 and suspended. with Portable Charger 7000mah Power Bank USB Charger for Iphone & Andriod .You can use GreenO charge your cellphone whenever and wherever possible.