Apple Watch Series 6 lets you measure your blood oxygen level with a revolutionary new sensor and app. Take an ECG from your wrist. See your fitness metrics on the enhanced Always-On Retina display, now 2.5x brighter outdoors when your wrist is down. Set a bedtime routine and track your sleep. And with cellular service, you can go without your phone. It’s the ultimate device for a healthier, more active, more connected life. Key feature • GPS + Cellular model lets you call, text, and get directions without your phone • Measure your blood oxygen with an all-newsensor and app • Check your heart rhythm with the ECG app • The Always-On Retina display is 2.5x brighter outdoors when your wrist is down • S6 SiP is up to 20% faster than Series 5 • 5GHz Wi-Fi and U1 Ultra Wideband chip • Track your daily activity on Apple Watch and see your trends in the Fitness app on iPhone • Measure workouts like running, walking, cycling, yoga, swimming, and dance • Swimproof design • Sync your favorite music, podcasts, and audiobooks • Pay instantly and securely from your wrist with Apple Pay • Set up an Apple Watch for family members who don’t have an iPhone using Family Setup⁶ • High and low heart rate notifications and irregular heart rhythm notification • Built-in compass and real-time elevation readings • Can detect if you’ve taken a hard fall, then automatically call emergency services for you • Emergency SOS lets you get help from your wrist⁷ • International emergency calling from your watch⁸ • watchOS 7 with sleep tracking, cycling directions, updates to Siri, and new customizable watch faces • Aluminum and stainless steel cases in new finishes What's in the box • Apple Watch Aluminium Case • Sport Band (Can be configured for either S/M or M/L length) • 1m Magnetic charging cable  • Color : Silver/Red