IPA49B Highlights Designed to fit the contour of iPhone 4G precisely. Protect the iPhone 4G not to break， from scratches and abrasion. Flash while calling or receiving and sending a message. Strengthen the signal of iPhone. Ultra slim and custom-fit with open-face design for easy operation. Easy access to all buttons， controls and ports without removing the crystal case. Personalize your iPhone. General Spec Pattern five-pointed star Material plastic Function Protective， decorative， non-slip， abrasion resistant and shockproof Flash while calling or receiving and sending a message. Strengthen the signal of iPhone. Compatibility iPhone 4G Other 1*3V CR2016 Lithium Battery Package Details Weight: 46.01 g Size: 12*6.2*1.6 cm Package Includes 1 × Protective Plastic Back Skin Case Cover Shell Protector with Mobile Phone Flash for iPhone 4G 1 × 3V CR2016 Lithium Battery