37g, 47.8*38.5*10.9 mm in dimensions, with a 2.01-inch AMOLED display with 240*296 resolution 250 mAh Watch Battery Life System requirements for the watch with Bluetooth 5.3, G-sensor, heart rate, and NFC iOS 9.0 or Android 5.0 and up Waterproof Level IP67 Colors available: (dark blue, purple, red, silver, black, and gold)