1.Submersible waterproof cover with 4 layers of protection, which makes it totally waterproof and safe. With explosionproof and transparency antipressure TPU membrane without water leaks. Submersible to a maximum of 30 m deep. With touch sensitive underwater touch screen and HD perspective. Without affecting the operation of the smartphone, you can answer the phone normally and ensure the clarity of the photos and videos, even underwater. 2.The and doublelocking system that works with velcro ensures tightness and good waterproof function. Suitable for all kinds of outdoor activities: diving, fishing, sailing, kayaking, swimming, canoeing, water theme park, camping, mountaineering, work, rainy days, outdoor work, etc. 3.With cord to hang around the neck, 50 cm in length (adaptable fit). Waterproof design totally waterproof, snow and ice tight and compatible. Offers protection for your device while maintaining full touch screen functionality. Some button may not be available when the smartphone is inside the case, only use a touch screen. 4.INTERNAL MEASURES: 16.0 cm x 8.0 cm x 3.0 cm