Brand: AppleColor: Silver Aluminum CaseFeatures: GPSBinding: Electronicsmodel number: Watch Series 4Part Number: MU642LL/ADetails: Apple Watch (GPS) - Series 4 - 40MM - (MTUD2LL/A) Silver Aluminum Case White Sport Band - Certified Refurbished Product Overview: 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. New yoga and hiking workouts. Advanced features for runners like cadence and pace alerts. New head-to-head competitions. Activity sharing with friends. Personalized coaching. Monthly challenges and achievement awards. You can use Walkie-Talkie, make phone calls, and send messages. Listen to Apple Music; and Apple Podcasts. And use Siri in all-new ways. Apple Watch Series 4 lets you do it all right from your wrist. Key Features: GPS 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 Swimproof watchOS 5 Aluminum caseEAN: 0647213647822Package Dimensions: 7.4 x 3.7 x 1.9 inches
