Features:

• Color: Obsidian Black
• Design: 3d Curved Surface Borderless Design
• Size: 46.4*46.4*10.7mm
• Weight: Classic Edition - 39g (Without Strap)
• Body: Classic Edition - Stainless Steel
• Buttons: 2
• Waterproof Grade: 5 Atm (50 Meters)
• Screen Size: 1.39 Inches
• Screen Material: Amoled
• Touchscreen: Tempered Glass
• Anti-fingerprint Coating
• Odlc Coating
• Resolution:  454*454
• Ppi: 326
• Battery Capacity: 471mah (Typical Value)
• Charging Method: Magnetic Charging Stand
• Charging Time: About 2.5 Hours
• Typical Use Battery Life: 14 Days
• Basic Use Battery Life: 38 Days
• Heavy Use Battery Life:6.5 Days
• Health Sensor: Huami Self-developed Biotracker™ 2 Ppg (Support Blood Oxygen) Biological Data Sensor
• Movement Sensor: Acceleration Sensor, Gyroscope Sensor
• 3-axis Geomagnetic Sensor
• Ambient Light Sensor
• Air Pressure Sensor
• Connection: Wlan 2.4ghz, Bluetooth 5.0
• Positioning: Gps + Glonass
• Strap Material: Silicone Or Leather
• Strap width: 22mm
• Strap Clasp: Classic Pin Buckle
• Microphone: Support
• Speaker: Support
• Linear Motor: Support
• Packing List: Watch Body (Including Standard Strap)
• Charging Base
• Instruction Manual
• Supported Devices: Android 5.0 Or Ios 10.0 And Above
• Application: Zepp App