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Renewed products look and work like new. These pre-owned products have been inspected and tested by Amazon-qualified suppliers, which typically perform a full diagnostic test, replacement of any defective parts, and a thorough cleaning process. Wireless devices have batteries tested to have at least 80% capacity relative to new at the time of sale. Packaging, wall plug, Watch Strap, and charging cable may be generic (headphones not included). Wireless products on Amazon Renewed come with the 90
GPS + Cellular. S4 SiP with faster 64-bit dual-core processor
Over 30% larger display and 50% louder speaker , 50% louder speaker
Digital Crown with haptic feedback. Electrical and optical heart sensors.
Improved accelerometer and gyroscope for fall detection. Swimproof. watchOS 5
The Apple Watch Series 4 models look similar to earlier models, but have larger displays, more advanced input capabilities, more powerful internals, and more advanced sensors (most notably a new accelerometer and gyroscope that can detect falls and an electrical heart sensor). All cellular-capable Apple Watch Series 4 models, like this one, are capable of being connected to the Internet without a "tethered" iPhone, but it still requires an iPhone 6 or newer running iOS 12 or later for most functionality. All Apple Watch Series 4 devices are controlled with a Digital Crown with haptic feedback and a Force Touch capable display. This particular Apple Watch Series 4, a cellular-capable model in the 40 mm size, features a 324x394 LTPO OLED screen. Configurations with aluminum cases use "strengthened, lightweight Ion-X glass". All models use an "all ceramic and sapphire crystal back" that connects to the charger.