- 4-layer waterproof submersible cover with explosion-proof anti-pressure TPU membrane offers high transparency and prevents water leakage, submersible to a maximum depth of 30 m. - Touch sensitive underwater touchscreen and HD perspective enable answering calls and capturing clear photos and videos underwater without removing the case; does not affect overall smartphone operation. - Double locking system with Velcro provides a secure seal and reliable waterproof performance. - Suitable for outdoor activities including diving, fishing, sailing, kayaking, swimming, canoeing, water parks, camping, mountaineering, working, rain days, and other outdoor tasks. - Neck cord with adjustable length of 50 cm for convenient wear; totally waterproof, snow and ice resistant, and highly compatible with devices while maintaining full touchscreen functionality. - Some buttons may not be accessible when the smartphone is inside the case; use the touch screen for operation. - Internal dimensions: 14.5 cm x 7 cm x 3 cm.