The magnetic USB charging cable is specially designed for Redmi Watch 3 Active, 4, 5 Lite models, as well as Mi Band 8, 8 Pro, 8 Active, 9, 9 Pro, and 9 NFC. The magnetic connection ensures secure and stable charging, reducing wear on the device's charging port. It is compatible with many models and offers convenient and efficient charging, making it an essential accessory for maintaining the battery performance of wearables with reliability and ease.