Pink wireless earbuds with Bluetooth 5.2, IPX4 waterproof, and noise-canceling function. - Model Name: TW-4000s - Color: Pink - Bluetooth Version: Bluetooth 5.2 - Waterproof Standard: IPX4 - Features: Noise-canceling - Special Features: Tile function - Charging Method: Quick charging - Ambient Sound Mode: Yes Thank you for viewing. I purchased these about six months ago and used them about 10 times (once for about an hour). I've decided I don't need wireless earbuds, so I'm selling them. I disinfected the entire product with disinfectant wipes, but please refrain from purchasing if you are concerned m(*_ _)m