• 1.74" AMOLED large screen, high-definition high-definition, colorful display
• Exquisite fashion wristband with quick-release
• Integrated center frame, minimalist design, metallic luster, bright  
• Accurate monitoring at watch level, Enhanced Dual-channel Monitoring Module/Blood Oxygen/Pressure/Respiratory Training/Scientific Sleep/Women's Health Management
• Independent GNSS five-star positioning, no need for cell phone, easy to record the movement track

Specifications:

• Net weight of main body: about 22.5g (weight without wrist strap)
• Body size: 46 x 33.35 x 9.99mm (excluding heart rate boss)
• Screen size and type: 1.74 inch, AMOLED color square screen
• Screen resolution: 336 x 480, 336PPl, full-screen touch control support
• Screen brightness: up to 600nits, supports automatic brightness adjustment
• Cover material: 2D straight screen tempered glass cover
• Shell Material: Fiber High strength polymer NCVM
• Sensor: Acceleration sensor
• Gyro Sensor: Optical heart rate and blood oxygen sensor, Ambient light sensor
• Waterproof level: 5ATM
• Data connection: Support GNSS, Support NFC, Bluetooth 5.3
• Vibration motor: Rotor motor
• Battery capacity: 289mAh
• Battery type: Li-ion polymer battery
• Charging time: about 80min
• Applicable wrist size: 135-205mm
• Wrist strap material: TPU
• System language: Simplified Chinese, Traditional Chinese, English
• Support system: Android 6.0 or IOS12.0 and above
• Supporting app: Xiaomi Sports Health