Apple Watch Series 9 GPS + Cellular 41mm Silver Stainless Steel Case w/ Silver Milanese Loop. Smartwatch Digital Touchscreen 352 x 430 pixels 2000 cd/m² Dust resistant, Water resistant, Waterproof IP6X Waterproof up to: 50 m Built-in microphone Built-in speaker(s) Heart rate monitor Accelerometer Gyroscope Activity tracker Apple Siri 4G GPS (satellite) BeiDou GLONASS Galileo Quasi-Zenith Satellite System (QZSS) Wi-Fi Bluetooth 5.3 Near Field Communication (NFC) Built-in battery Lithium-Ion (Li-Ion) 36 h Smarter.Brighter.Mightier.Our most powerful chip in Apple Watch ever. A magical new way to use your Apple Watch without touching the screen. A display that’s twice as bright. And now you can choose a watch case and band combination that’s carbon neutral. Display Rounded display corners Yes Always-on display Yes Display brightness 2000 cd/m² Touchscreen Yes Display resolution 352 x 430 pixels Display type Digital Design Waterproof up to 50 m Magnetic charging connector Yes Protection features Dust resistant, Water resistant, Waterproof Removable strap Yes International Protection (IP) code IP6X Back material Ceramic, Sapphire glass Shape Rectangular Band colour Silver Watch case material Stainless steel Watch case colour Silver Watch case size 41 mm Market positioning Smartwatch Performance Fall detection Yes Crash detection Yes Wireless chipset W3 64-bit computing Yes Processor cores 2 Processor model S9 Processor manufacturer Apple Flash memory 64 GB Operating system installed watchOS 10 Mobile operating systems supported iOS FM radio No Built-in camera No Built-in speaker(s) Yes Built-in microphone Yes Features Altimeter Yes Haptic feedback Yes Virtual assistant Apple Siri E-mail Yes Electronic compass Yes Skin temperature sensor Yes Ambient light sensor Yes SOS alert function Yes Double tap gesture Yes Low cardio notifications Yes Activity tracker Yes Gyroscope Yes Accelerometer Yes Blood oxygen sensor Yes Heart rate sensor type Electrical, Optical Heart rate monitor Yes Network Quasi-Zenith Satellite System (QZSS) Yes Galileo Yes GLONASS Yes BeiDou Yes GPS (satellite) Yes 4G standard LTE Mobile network generation 4G Mobile network connection Yes Ports & interfaces Headphone connectivity Bluetooth Near Field Communication (NFC) Yes Bluetooth version 5.3 Bluetooth Yes Wi-Fi standards Wi-Fi 4 (802.11n) Wi-Fi Yes USB port No Power Wireless charging Yes Battery life (max) 36 h Battery technology Lithium-Ion (Li-Ion) Battery type Built-in battery General Product family Watch Product series Series 9 Weight & dimensions Weight 42.3 g Thickness 1.07 cm Depth 35 mm Width 41 mm Sustainability Sustainability certificates CarbonNeutral Doesn't contain Arsenic, BFR, Beryllium, Mercury, PVC.