Device Type: Apple Smartwatch Launch Date: September 2018
Features
Software: watchOS 5.0, upgradable to 9.5 Storage: 16GB 1GB RAM Hardware: Apple S4 Display: 1.57 inches, 394 x 324 pixels Battery: 225 mAh Other Features: ECG Certified, Ion X Strengthened Glass
Apple Watch Series 4 Aluminum 40mm GPS + Cellular Technical Specifications
Display
Size: 1.57 inches 394 x 324 pixels Protection: Ion-X strengthened glass Misc: Retina LTPO OLED, 1000 nits (peak) 394 x 324 pixels 3D Touch display
Hardware
CPU: Apple S4 Apple S4 Dual core Internal Memory: 16GB 1GB RAM GPU: PowerVR Card Slot: No SIM: eSIM
Dimensions: 40 x 34 x 10.7 mm Weight: 30 g Colour: Silver, Gold, Space Gray Misc: Glass front, ceramic/sapphire crystal back, aluminum frame 50m water resistant ECG certified (region dependent software application, hardware available on all models)
Connectivity
WiFi: Wi-Fi 802.11 b/g/n Bluetooth: 5.0, A2DP, LE USB: No NFC: Yes Radio: No
Audio
Speaker: Loudspeaker Audio Port: No 3.5mm jack
Rear Camera
Resolution: No
Maps
GPS, GLONASS, GALILEO, QZSS
Sensors
Accelerometer Gyro Heart Rate Barometer
Battery
Capacity: Li-Ion 225 mAh (0.86 Wh), non-removable Misc: Wireless charging
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