The HK8 Pro Max SmartWatch features a square design that resembles the Apple Watch Ultra, with a 2.12-inch AMOLED touchscreen and a variety of functions including heart rate monitoring, SPO2 blood oxygen monitoring, multi-sports modes, and IP68 waterproofing. It comes in black, orange, yellow, green, and grey, and has a titanium alloy body and a silicone strap. The device also has Bluetooth calling and NFC access control, and can be used to control sleep, estimate calorie burn, and more. The 320mAh battery offers 2-5 days of normal usage and 7 days of standby time. The WearFit Pro app is used to control the watch, and it is reasonably priced.
