The OnePlus 9 Pro will be IP68-certified, whereas the 9 and 9E will not - NotebookCheck.net News
OnePlus 9 Pro will come with official IP68 rating - Android Community
IP68 Waterproof Case For Oneplus 11 10 9 Pro Case Full Protection Shockproof Cover one plus 8 Pro 7 pro 7T 6t 8T Nord 10 5g Case - AliExpress
Amazon.com: Large Waterproof Phone Pouch, 2 Pack [Up to 10.5"] IP68 Waterproof Phone Case Bag Compatible with iPhone 13 Pro Max/12/11/XR/X,Galaxy S22/S21,Note 20.Pixel/OnePlus,for Vacation Swimming : Cell Phones & Accessories
OnePlus 11 5G Review: Speed Demon | WIRED
OnePlus Watch Debuts With 2-Week Battery, Sapphire Glass And Bargain $159 Price Tag | HotHardware