Apple Watch Series 4 Nike+ 44MM Space Gray – Sport Loop

Series 4 Features
Silver aluminum case
Built-in GPS, GLONASS, Galileo, and QZSS
S4 with 64-bit dual-core processor
W3 Apple wireless chip
Barometric altimeter
Capacity 16GB
Optical heart sensor
Electrical heart sensor
Improved accelerometer up to 32g forces
Improved gyroscope
Ambient light sensor
LTPO OLED Retina display with Force Touch (1000 nits)
Digital Crown with haptic feedback
Louder speaker
Ion-X strengthened glass
Sapphire crystal and ceramic back
Wi-Fi (802.11b/g/n 2.4GHz)
Bluetooth 5.0
Built-in rechargeable lithium-ion battery
Up to 18 hours of battery life
Water resistant 50 meters
watchOS 5