Xiaomi BHRGL smartwatch sport watch .” AMOLED . mm Digital x pixels Touchscreen Black GPS satellite

LTPS 5Hz 60Hz high refresh rate Up to 600 nits brightness 10 days AOD mode 30 days Long battery mode 20 days Typical usage mode 25% System power consumption Ultra-large 1.97″ AMOLED displayMetal middle frame, rotating crown and all-new quick release mechanismVersatile analysis of heart rate, SpO₂, sleep, and more*Up to 20 days battery life*Built-in multi-system GNSSSupports Bluetooth® phone call*1.97″ AMOLED DisplayMajor display upgradeExperience the biggest screen ever on the Redmi Watch, boasting a 26% increase in display area*. Paired with a 60Hz high refresh rate, it delivers incredibly smooth and silky visuals.Aluminum alloy frameTwo classic colorsRedmi Watch 4 adopts a sturdy and reliable aluminum alloy frame* for the first time for a more elevated design feel. Make a fashion statement with two available color options.Stainless steel rotating crownInnovative interactionsThe exquisite stainless-steel rotating crown adds high-end finesse to even the smallest details and its gentle spin gives a more comfortable experience.All-new quick-release structureStrap switching made easyUpgraded next-gen quick-release structure makes strap replacement easier. Diverse strap options* mean you can switch up your style on a whim.200+ stylish watch facesExpress your individualityDiscover our extensive range of chic watch faces to match your unique style. Featuring a variety of fun watch faces and customizable components, style and functionality are yours to command.20-day battery lifeFor a long-lasting companionOutfitted with a sizeable battery and an energy-efficient chip optimized for longevity. Enjoy a 20-day extra-long battery life in typical usage mode. Portable magnetic charging lets you power up with a simple touch, for worry-free use.Bluetooth phone callRaise your wrist to communicateRedmi Watch 4 connects to your smartphone via Bluetooth, allowing you to view and reject calls on your watch, and engage in conversations with the built-in microphone and speaker without the need to take out your smartphone.4-channelPPG sensor configurationThe PPG sensor configuration* has been upgraded to include 4-channel to help increase health monitoring accuracy.Greater monitoring accuracySmart sleep monitoringWith the help of scientific, meticulous sleep monitoring technologies, the watch records your real-time sleep condition at different stages, such as deep sleep, light sleep and REM, improving your sleeping habits and quality.All-round health monitoringYour constant guardianBlood oxygen saturation monitoring throughout the daySends vibration alerts when blood oxygen saturation is too low.Heart rate monitoring throughout the dayContinuous and precise heart rate monitoring safeguards your cardiovascular health at all times.Stress monitoringBreathing exercise prompts will be sent when your stress level reaches 80 twice in a row during your awake time.150+ sports modesAll the activities you loveIt caters to a wide array of professional sports modes, including outdoor and indoor running, walking, cycling, and more. Before your exercise, you can warm up* following the motion pictures of a professional coach and get the right posture to reduce sports injuries.Independent satellite positioningTrack your workout route anytimeEquipped with an independent GNSS chip, it works in tandem with your smartphone or on its own. Five satellite positioning systems are supported to accurately track your every step.5ATMProfessional water resistanceWith 5ATM water resistance*, it is suitable for 18 aquatic sports, allowing you to enjoy your aquatic time with ease. The automatic water drainage function brings you utmost convenience.Mi Fitness appDaily health data at your fingertipsDaily health statistics, such as heart rate, fitness, and sleep, are shown in detail to provide a clear picture of your health. Syncing data with Strava and Apple Health is also made easy.24-hour security protectionIn case of emergencies, press the crown button three times quickly to alert your emergency contact*. Your safety is always the top priority. Display Display brightness 450 cd/m² Display diagonal 5 cm (1.97″) Display technology AMOLED Touchscreen Yes Display resolution 450 x 390 pixels Display type Digital Design Water resistance 5 ATM Waterproof Yes Shape Rectangular Band size One Size Band material Thermoplastic polyurethane (TPU) Band colour Black Watch case material Aluminium Watch case colour Black Watch case size 47.5 mm Market positioning Smartwatch Performance Built-in camera No Built-in speaker(s) Yes Built-in microphone Yes Features Quality of sleep Yes Multisport mode Yes Activity tracker Yes Accelerometer Yes Blood oxygen sensor Yes Heart rate monitor Yes Network Quasi-Zenith Satellite System (QZSS) Yes Galileo Yes GLONASS Yes BeiDou Yes GPS (satellite) Yes Mobile network connection No Ports & interfaces Bluetooth Low Energy (BLE) Yes Bluetooth Yes Power Battery life (max) 480 h Battery type Built-in battery Packaging content Packaging content