Size: 46mm Style: Galaxy Watch8 Classic Operating system Wear OS Connectivity technology Bluetooth Wireless communication standard Bluetooth GPS Built-in GPS Shape Round About this item ICONIC CUSHION DESIGN: All about a cutting-edge, rounded square that the latest smartwatch technology. ROTATING BEZEL: Where innovation meets timeless design. QUICK BUTTON: A touch of premium with Quick Button. DYNAMIC LUG SYSTEM: Snug fit. Forget it's there. SLEEP + ENERGY SCORE: Better sleep for brighter mornings. BEDTIME GUIDANCE: Build a healthy bedtime routine. RUNNING COACH: Your runs, your pace, your personal coach.