Description
DISPLAY
Display Material: Ion-X glass
Display Size: 1.5-inch (42mm) diagonally AMOLED Retina display
Display Resolution: 312-by-390 (42mm) pixel resolution
Brightness: 1000 cd/m2
Pixel Density: 326 ppi
STORAGE
Capacity: 8 GB
INPUT
Input Method: Digital Crown, Multi-Touch, Force Touch, Digital Touch, Side Button
SOFTWARE
Original OS: watchOS 4.0 (15R372)
Maximum OS: Latest release of watchOS
Intelligent Assistant: Siri
System Requirements: iPhone 5s or later
PROCESSOR
Processor: Apple S3 and Apple W2
Number of Cores: 2
Architecture: 32-bit
MEMORY
Built-in Memory: 768 MB
CONNECTIONS
Wi-Fi: 802.11b/g/n 2.4 GHz
Bluetooth: Bluetooth 4.2
NFC: NFC and FeliCa
Location: Built-in GPS, GLONASS, Galileo, and QZSS
Audio In: Direct fire microphone
Audio Out: Direct fire speaker
SENSORS
Sensors: Ambient light sensor, heart rate sensor, accelerometer, gyroscope, and barometric altimeter
Tactile Feedback: Taptic Engine
POWER
Battery: Built-in rechargeable lithium-ion
Battery Capacity: 352 mAh (42mm)
Battery Life: Up to 18 hours
Power Adapter: Apple 5W or 12W USB Power Adapter, AirPower mat
ENVIRONMENTAL
Operating Temperature: 32° to 95° F
Nonoperating Temperature: −4° to 113° F
Relative Humidity: 5 percent to 95 percent noncondensing
Maximum Operating Altitude: 10,000 feet
Water Resistance: 50 meters under ISO standard 22810:2010
Information gathered from Mactracker
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