Apple MU6D2 44 mm Watch Series 4, Aluminum Case with Black Sport Band, GPS, watchOS 5 - Space Gray
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- The Apple Series 4 smartwatch runs on a powerful S4 dual-core processor that delivers fast and efficient performance.
- The watchOS 5 operating system efficiently handles all hardware and software of this smartwatch. The W3 wireless chip boosts the performance of WiFi.
- With optical heart sensor, this Apple smartwatch keeps an accurate track of your heart rate.
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Space Gray aluminum case Built-in GPS, GLONASS, Galileo, and QZSS S4 with 64-bit dual-core processor W3 Apple wireless chip Barometric altimeter Capacity 16GB1 Optical heart sensor Electrical heart sensor Improved accelerometer up to 32 g‑forces Improved gyroscope Ambient light sensor LTPO OLED Retina display with Force Touch (1000 nits) Digital Crown with haptic feedback Louder speaker Ion-X strengthened glass Sapphire crystal and ceramic back Wi-Fi (802.11b/g/n 2.4GHz) Bluetooth 5.0 Built-in rechargeable lithium-ion battery Up to 18 hours of battery life2 Water resistant 50 meters3 watchOS 5.
Watch Sports Band 1m magnetic cable & power adaptor