S4 One Smart Watch 1.78" Ultra-Clear Screen Call/Answer Fitness Tracker, Sleep Monitor IP68 Waterproof for iOS 11.0+ Android 9.0+ (Rose Gold) Long Sleeve Get a stable and reliable

Get a stable and reliable connection

or on the go

1" QLED Display: QLED panel at 550 nits and strong light suppression coating

and blender into one compact system

IMPRESSIVE BATTERY: Enjoy up to 12 hours of uninterrupted gaming and chat on a single charge

S4 One Smart Watch 1.78" Ultra-Clear Screen Call/Answer Fitness Tracker, Sleep Monitor IP68 Waterproof for iOS 11.0+ Android 9.0+ (Rose Gold) Long Sleeve Get a stable and reliableOperating System Compatible with iOS 11. 0+ and Android 9. 0+ Memory Storage Capacity 128 MB Special Feature Activity Tracker, Sleep Monitor Battery Capacity 300 Milliamp Hours Connectivity Technology Bluetooth Wireless Communication Standard Bluetooth User Friendly Design with AMOLEDFeaturing an upgraded 1. 78'' ultra clear AMOLED HD Display with 368*448 resolution, which has 25% faster response speed than previous, a wider visual range, lower energy