H30 Bluetooth Rugged Smartwatch Waterproof 1.9 Inch Display For Outdoor Sports And Fitness Tracking Compatible With IOS And Android Unisex Design From Ihammi, $18.04 | DHgate.Com
H30 Smart Watch For Men Bluetooth Call Heart Rate Blood Pressure Monitoring Waterproof Outdoor Sports Military Smartwatch - AliExpress
H30 Smart Watch 2020 For Men DIY Watch Face IP68 Waterproof Heart Rate Monitor Bracelet For Android 4.4 and iOS 9.0 and above - AliExpress