Technical details Warranty period: 2 years Characteristics Accelerometer: Yes Heart rate monitor: Yes Irregular rhythm notifications: Yes Active minutes: Yes Workout tracking function: Yes Sleep quality: Yes Activity tracker: Yes Calories burned: Yes Blood oxygen sensor: Yes Distance traveled: Yes Altimeter: Yes Recommended activity Walking Swimming Yoga Bicycle Fitness Handball Weight training Rowing Basketball Skiing Climbing Golf Badminton Tennis Baseball Design Water resistance: 5 ATM Closure Type: Single Pin Buckle Strap color: Sand Buckle color: Rose gold Lens material: Sapphire Shape: Round Market positioning: Smartwatch Security features: Waterproof Strap material: Fluoroelastomer Housing material: Stainless steel Watch case color: Rose gold Buckle material: Stainless steel Watch case size: 38 mm Power Supported battery type: Built-in Charging time: 2 hours Battery life: 30 days Weight and dimensions Product weight: 34.6 g Network Mobile network connectivity: No GPS: Yes Efficiency Built-in microphone: No Built-in speakers: No Support for mobile operating systems iOS Android Built-in camera: No FM Radio: No Packaging data Packaging type: Box Package contents Cables: USB Type-C Charging base: Yes Quick Installation Guide: Yes Display Screen diagonal: 0.63 Display technology: OLED Glass type: Sapphire Display type: Hybrid Pixel density: 282 ppi Ports and interfaces Bluetooth: Yes Wi-Fi: No USB port: No NFC: No Bluetooth version: 5.1 Headphone plug: No Bluetooth Low Energy (BLE): Yes