· Compatible with COSLUS C20 (F5020E), E40 (WFP14), C31 (F5023) water flosser · Compatible with Nicwell, Fairywill, Aquasonic, Oralfree, Waterfloss, Tovendor, Hangsun & Initio, Nicefeel, MOSPRO, Zerhunt, McNaval and Cremax USB A to Figure-8 water flosser · Widely Compatible: Works with a variety of 5V devices, including computers, car chargers, mobile power supplies, and adapters. · Easy to Use: The replacement charger is compact and easy to store, making it convenient to carry. No matter where you are, you can use it to keep your teeth clean and healthy. · Durable: Made with a pure copper wire core and PVC insulation sleeve to ensure stable and durable transmission. The connector is reinforced to resist pulling, making it safer to use. · Note: Ensure you check your model number to order the correct cord for your device.