Premium Universal T-Clear Waterproof Water Resistant Carrying Case Pouch Bag (with Lanyard) for Microsoft Lumia 640 XL + MYNETDEALS Mini Touch Screen Stylus When phone sits in the bag, you can still make the operations as follows: Touch screen to have access to phone functions Take photos, even under the condition of water Answer, end, and send calls Waterproof Bag Case with lanyard provides carrying convenience when you're swimming, working out, jogging, performing outdoor activities or anytime you're on the go Warning: Please make a simple waterproof test and check if bag is brokenespecially for seal and sides before use When taking phone out of bag after use in water, please make the seal down to avoid water flowing into the bag Dont use the product in the hot spring. And the environment temperature should be less than 40c