• Material: Double-sided sapphire glass mirror + stainless steel mid-frame + imitation ceramic high-gloss sprayed back cover
• Screen: 1.47-inch AMOLED ultra-narrow bezel large screen, ultra-narrow bezel watch
• Battery Life: 14 days of ultra-long battery life, support for wireless magnetic fast charging, support for reverse charging of some for Xiaomi phones
• Features: New MIUI watch, interactive interface upgrade, cell phone fast linkage pop-up window
• Sensors: Heart rate sensor (including blood oxygen), acceleration gyroscope geomagnetic sensor, atmospheric pressure sensor, ambient light sensor, capacitive sensor, temperature sensor

Specifications:

• Product model: M2134W1
• Product material: sapphire glass (cover + heartbeat window), stainless steel center frame
• Strap Material: Viton, Calfskin 
• Screen: 1.47inch AMOLED display
• Screen Resolution: 480X480 
• Battery capacity: 500mAh
• Battery type: Lithium-ion polymer battery
• Operating temperature: -10°C to 45°C
• Waterproof grade: 5ATM
• Charging interface: wireless charging
• Microphone: support
• Speaker: support