Apple Series 4 watch 40MM GPS + Cellular C0922-0801 NPM

Sensors:

• Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass
• Natural Language commands and dictation (talking mode)

Display

• Type Retina LTPO OLED, 1000 nits (peak)
  
• Size 1.78 inches
  
• Resolution 448 x 368 pixels (~326 ppi density)
  
• Protection Sapphire Crystal Glass
  

Battery

• Type Li-Ion 292 mAh (1.12 Wh), non-removable
  
• Charging Wireless charging