44mm
LTPO OLED Retina display with Force Touch | 368 by 448 pixels
Custom S4 System in Package with Dual-core processor
Accelerometer, Optical heart rate sensor, Electrical heart sensor, Gyroscope, Barometric Altimeter, Ambient light sensor
GPS | 802.11b/g/n 2.4GHz | Bluetooth 5.0 | LTE and UMTS in Cellular Version
Requires iPhone 6 or later
Upto 50 Meters
Silver, Gold, Space Gray