Vktech&reg; 5V USB Power Bank Case Kit 18650 Battery Charger DIY Box For Phone GPS (Rose) Metallic appearance, Small and light Weight, Easy to carry around in your bag Charge your portable device on the move without the need for main power Fashion style simple and fashionable design with colorful shell Self-adaptive technique allows intelligent faster safer charging Strong compatibility for ipod iphone ipad mobile MP3 MP4 gameboy PDA GPS etc