– Enable use of applications such as listening to music, take photo and video, compass, etc. in the water
– Inject air between 2 layers of material to enable under touchscreen function
– Prevent phone loss by use of buoyancy in the water
– Provide smartphone fixing pad for clear photo to prevent shaking inside the waterproof case
– Provide hand-strap for user convenience of waterproof pack under the water
– Provide non-toxic, excellent design urethane material neck strap