The third generation: the accommodation size is 4.7-6.9 inches, the universal diving shell Bluetooth model, the Bluetooth control modelThe first generation to press the left button to shoot product introduction:Apple series universal models: iPhone6, iPhone6Plus, iPhone6s, iPhone6s Plus, iPhone7, iPhone7Plus, iPhone8, iPhone8Plus, iPhoneX, iPhoneXs iPhoneXs max, iPhoneXr, iPhone11, iPhone11 Pro, iPhone11 Pro max, i12mini, i12, i12Pro, i12promax are not available [2 Substitute can be used]Samsung Generic ModelGalaxy S6 , Galaxy S8 , Galaxy S8+ , Galaxy S9 , Galaxy S9+ , Galaxy S10 , Galaxy S10+ , Galaxy S10e , Galaxy Note8 , Galaxy Note9 , Galaxy Note10 , Galaxy Note10+Product Applicable Model: Apple/Samsung UniversalProduct waterproof depth: 1-15 metersProduct drop-proof: dustproof and drop-proof can reach 6 meters. Product material: PC + transparent PC + PETSelling points: 1. High-definition photography depth diving 40 meters, high-efficiency waterproof 24 hours, enhanced waterproof 2. Dust-proof, fully enclosed structure, prevent any drop of dust from entering, long-lasting as new. 3. Super drop-resistant, wear-resistant and tough, and the phone will be fine if it falls from a high place. 3. Sensitive touch, easy to use 4. Use scenarios, swimming in the sea, hot springs, underwater diving. 1. Using corrosion-resistant PC+ABS material, seamless and fully enclosed process, 360-degree comprehensive protection for your mobile phone. 2. The buttons are accurate and sensitive, switch freely, 40 meters waterproof depth, easy to play underwater photography 3.1m shockproof, 40m waterproof, suitable for harsh environments such as rain and snow. 4. Ideal for diving, surfing, snorkeling, skiing, yachting and other outdoor activities.