4layer waterproof submersible cover with explosionproof antipressure TPU membrane, transparency and no water leakage; submersible to a maximum depth of 30 m; touchsensitive underwater touchscreen and HD perspective; you can answer phone calls normally and still capture clear photos and videos underwater double locking system with Velcro for a tight seal and reliable waterproof performance; suitable for outdoor activities such as diving, fishing, sailing, kayaking, swimming, canoeing, water parks, camping, mountaineering, working, rainy days, outdoor work, etc With a neck cord for easy carry, length 50 cm (adjustable fit); totally waterproof and snow and ice resistant; compatible and designed to protect your device while maintaining full touchscreen functionality; note that some buttons may not be available when the smartphone is inside the case, use only the touch screen Internal dimensions: 16 cm x 8 cm x 3 cm Use scenarios Underwater photography and video during diving, snorkeling, or swimming, while keeping the device dry and usable through the touchscreen Outdoor water activities such as fishing, sailing, kayaking, canoeing, or visiting water parks, including use in rainy or snowy conditions Outdoor work or activities in rain or cold environments, providing device protection without sacrificing touchscreen access