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Specifications for your Apple Watch Series 4
Physical specifications
Dimensions
44 x 38 x 10.7 mm
Weight
48 g
IP rating (protection against dust and water)
Water resistant (up to 50 m)
Screen and keys
Screen type
LTPO OLED touch screen, 16 million colours
Display size
1.78 inches
Resolution
448 x 368 pixels
Picture, video and sound
Music player
Yes
FM radio
No
Speaker
Mono
SIM
SIM type
esim
Processor
Chipset
Apple S4
CPU
Dual-core
GPU
PowerVR
Memory
Storage
16 GB
RAM
1 GB RAM
Network
2G network
Yes
3G network
Yes
4G network
Yes
5G network
No
Connectivity
Bluetooth
5.0, A2DP, LE
WiFi
WiFi 802.11 b/g/n
NFC
Yes
GPS
Yes
Sensors
Accelerometer
Yes
Gyroscope
Yes
Compass
No
Barometer
Yes
Heart rate sensor
Yes
Battery
Battery type
Non-removable Li-Ion 292 mAh battery
Standby time
Up to 18 hours
Operating system
Operating system
watchOS 8
Security
Fingerprint sensor
No
Iris scanner
No