The HK9 Pro Max Plus Smart Watch (Gen 4) boasts a magnetic wireless charging feature, saving you time and hassle. With a battery capacity of 420mAh, it can last all day long. Choose from 4 kinds of menus style for a customizable experience. Compatible with Android 5.0+ and iOS 10.0+, and controlled by the Wearfit Pro app.HK9 Pro Max Plus (Gen 4) Smart Watch HK9 Pro Max Plus (Gen 4) Smart Watch HK9 Pro Max Plus Gen 4 Smart Watch
