The charging cable for Kiddoboo 4G smartwatch K3, K3 Gen2, and K10 is a specially designed accessory that ensures reliable and safe charging for these specific children's smartwatches. It is a USB cable with a magnetic connection, which easily attaches to the device's charging contacts, allowing stable energy transfer without difficulty in use. It is fully compatible with the WatchMe series models, such as K3, K3 Gen2, and K10, offering a proper fit and efficient charging.