Apple Watch Series 4 (GPS版 + 蜂窝网络版, 44毫米)
2018 Watch4,4
The Apple Watch Series 4, launched by Apple in 2018, features a new square bezel design with a larger, more vibrant display. It introduces an electrocardiogram (ECG) function for the first time and supports cellular connectivity, enhancing independent usage. Powered by the S4 chip, it delivers improved performance and supports various health monitoring features, serving as a key component of Apple's health ecosystem.
Model Numbers: A1976 , A2008
Colors
Technical Specifications
内存
General
1GB
电池
General
Built-in rechargeable lithium-ion battery
芯片
General
S4 Chip
重量
General
Approximately 40.6 grams (aluminum metal case)
Sensors
General
- Heart Rate Sensor
- Accelerometer
- Gyroscope
- Electronic Compass
- Blood Oxygen Sensor (supported in future software updates)
Category
General
Apple Watch
传感器
General
Heart rate sensor, electrode-based heart rate sensor, accelerometer, gyroscope, barometer, blood oxygen sensor (supported via future software updates)
摄像头
General
None
显示屏
General
Retina OLED display, 44mm, resolution 368×448 pixels, 326 pixels per inch
连接性
General
Wi-Fi, Bluetooth 5.0, Cellular Network (Cellular model)
Connectivity
General
Wi-Fi, Bluetooth 5.0, GPS, Cellular Network (Cellular Model)
Release year
General
2018
主要更新
General
First adoption of square frame design, larger screen, new ECG (electrocardiogram) feature, and supports cellular network connectivity
产品类别
General
Smart Watch
发布年份
General
2018
发布日期
General
September 12, 2018
型号标识
General
Watch4,4
屏幕尺寸
General
44 mm
操作系统
General
watchOS 5 (at release)
电池续航
General
Up to 18 hours
表壳材质
General
Aluminum or Stainless Steel
防水等级
General
Waterproof up to 50 meters
Model numbers
General
- A2018 (GPS Version)
- A2019 (Cellular Model)
型号标识符
General
Watch4,4
Water resistance
General
Water resistant up to 50 meters