Samsung Galaxy Watch5 4G (44mm), Graphite, 1.4”, Super AMOLED screen, 5 ATM, GPS, Wear OS Super AMOLED screen – 1.4” round design – 450 x 450 p resolution – Samsung Bio - Active Sensor 3 in 1 – Bluetooth – 4G – Wi-Fi – NFC – GPS – Up to 40 hours of typical daily use – Water resistant 5 ATM – Wear OS – 44mm – Graphite Sleep tracking. Counts your sheep for you! Know your sleep with our improved sleep tracking technology. Plan your bedtime, detect snoring, understand and track your sleep stages (awake, light, deep, REM) via 8 animal sleep symbols representing your sleep type. Better nights lead to better days. Samsung Bio - Active sensor The powerful 3-in-1 Samsung Bio - Active sensor controls three health sensors effectively. Bioelectrical Impedance Analysis sensor, Electrical Heart sensor (ECG), and Optical Heart Rate sensor. Bioelectrical Impedance Analysis Sensor (BIA) Monitor everything from body fat percentage (BIA) to skeletal muscle weight. All the personal feedback you need to track your progress to a healthier you. Fitness tracking. Every step counts Working out? Your watch counts your steps, calories, and even your routines. It even supports over 90 exercises that you can track from your watch. Back on your wrist in no time It takes about 30 minutes to go from 0% up to 45% charge. Yes, you read that right. With a bigger battery than its predecessors and fast charging, you're ready to go in no time. Durability with water-resistant and Sapphire crystal display Introducing our durable Galaxy Watch. Water-resistant, with a harder front display made with premium Sapphire crystal that's 1.6 times stronger against scratches. Just about anything your day dishes out. Watch what you can do with Wear OS Navigate your next adventure with Google Maps, stream You - Tube music, text, get help from Bixby or Google Assistant, and call or browse the web. Those things you do on your phone? You can do them on Galaxy Watch5. Plus, with Smart Switch, keeping data from your previous Galaxy Watch is also a breeze. Face the day your way with watch faces Analog to digital, vintage to modern, select a watch face to help you face the day. Pick from the classic set or from the various watch faces. Technical specifications Display Display diagonal 3.56 cm (1.4) Display technology Super AMOLED Always-on display Y Colour display Y Display type Digital Display resolution 450 x 450 pixels Touchscreen Y Display number of colours 16 million colours Design Shape Round Market positioning Smartwatch Watch case size 44 mm Watch case colour Graphite Watch case material Aluminium Band colour Graphite Waterproof Y Closure type Single prong strap buckle Protection features Dust resistant, Waterproof International Protection (IP) code IP68 Waterproof up to 50 m Water resistance 5 ATM Performance Operating system installed Wear OS RAM capacity 1500 MB Flash memory 16 GB Processor manufacturer Samsung Processor model Exynos W920 Processor frequency 1180 MHz Processor cores 2 Built-in microphone Y Features Heart rate monitor Y Heart rate contact sensors Y Heart rate sensor type Electrical, Optical Blood pressure monitor Y Blood oxygen sensor Y Calories burned Y Accelerometer Y Gyroscope Y Activity tracker Y Personal goals Y Quality of sleep Y Virtual assistant Samsung Bixby Timer Y Geomagnetic sensor Y Barometer Y Military standard MIL-STD-810H Network Mobile network connection Y Mobile network generation 4G 3G standards UMTS, WCDMA 4G standard LTE-FDD 3G bands supported 850,900,2100 MHz 4G bands supported 700,800,850,900,1800,2100,2600 MHz GPS (satellite) Y Bei - Dou Y GLONASS Y Galileo Y Ports & interfaces Wi-Fi standards 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n) Bluetooth Y Bluetooth profiles A2DP, AVRCP, HFP, HSP USB port N Near Field Communication (NFC) Y Wi-Fi Y Bluetooth version 5.2 Headphone connectivity Bluetooth Power Battery capacity 410 m - Ah Weight & dimensions Width 44 mm Depth 43.3 mm Thickness 9.8 mm Weight 33.5 g