Apple Series 4 44mm MU6A2VC/A Silver Refurbished – Good Condition
Fundamentally redesigned and reengineered. The largest Apple Watch display yet. Built-in electrical heart sensor. New Digital Crown with haptic feedback. Low and high heart rate notifications. Fall detection and Emergency SOS. New Breathe watch faces. Automatic workout detection.
- Over 30% larger display
- Electrical and optical heart sensors
- Digital Crown with haptic feedback
- 50% louder speaker
- S4 SiP with faster 64-bit dual-core processor
- Improved accelerometer and gyroscope for fall detection
- watchOS 5
- Aluminum case
- Apple Watch Series 4 (GPS) requires an iPhone 5s or later with iOS 12 or later.