Designed for Apple Watch 40mm and 38mm; custom high-performance fluoroelastomer material; fits 130-200mm wrists

Geek Squad® Certified Refurbished products are thoroughly, painstakingly and lovingly tested, so you can be sure that your device will work right, right away. Learn more about Geek Squad® Certified Refurbished products.Low and high heart rate notifications. Emergency SOS. New Breathe watch faces. Automatic workout detection. New yoga and hiking workouts. Advanced features for runners such as 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 Music¹ and Apple Podcasts. And use Siri in all-new ways. Apple Watch Series 3 lets you do it all right from your wrist.