Apple Watch Series 4
| Model | Watch Series 4 |
|---|---|
| CPU | Dual-core |
| Sensors | Accelerometer, gyro, heart rate (2nd gen), barometer |
| Features | Audio player Photo viewer Siri natural language commands and dictation (talking mode) |
| Color | Space Black, Silver, Gold |
| Network 3G bands | HSDPA 850 / 900 / 2100 / 800 – Europe, Australia |
| Network speed | HSPA, LTE |
| Operating System | watchOS 5.0, upgradable to 5.1.3 |
| Chipset | Apple S4 |
| GPU | PowerVR |
| Radio | No |
| Internal memory | 16 GB |
| Body | 50m waterproof ECG certified (USA only) |
| Network 4G bands | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850) – Europe, Australia |
| Body build | Stainless Steel frame; all-ceramic/sapphire crystal back |
| NFC | Yes |
| Battery | Non-removable Li-Ion battery |
| Network | LTE band 1(2100), 3(1800), 39(1900), 40(2300), 41(2500) – China |
| USB | No |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, QZSS |
| Network Technology | GSM / HSPA / LTE |
| SIM | Electronic SIM card (eSIM) |
| Network 2G bands | GSM 850 / 900 / 1800 / 1900 |
| GPRS | Yes |
| EDGE | Yes |
| announced | 2018, September |
| Launch Status | Available. Released 2018, September |
| Dimensions | 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in) |
| Weight grams | 48 g (1.69 oz) |
| Display type | LTPO OLED capacitive touchscreen, 16M colors |
| Bluetooth | 5.0, A2DP, LE |
| Display size | 1.78 inches, 10.0 cm (~60.0% screen-to-body ratio) |
| Display resolution | 448 x 368 pixels (~326 ppi density) |
| Display | 3D Touch display 1000 nits |
| Memory Card | No |
| Sound loud speaker | Yes |
| Sound 3.5mm jack | No |
| WLAN | Wi-Fi 802.11 b/g/n |
| Battery stand-by | Up to 18 h (mixed usage) |
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