Pixel Watch 4 (LTE) 45mm Features: Brighter, larger domed display. Up to 40 hours of battery life. Personalized fitness insights. Made for Pixel and Android phones. Help from Gemini, your AI assistant. Specifications: Colors Polished Silver Aluminum case / Iris Active Band Polished Silver Aluminum case / Porcelain Active Band Matte Black Aluminum case / Obsidian Active Band Materials and finishes Housing: 100% recycled aluminum Active Band: Fluoroelastomer with soft-touch coating Dimensions and weight Diameter: 45 mm Height: 12.3 mm Weight: 36.7 g (without band) Display Actua 360 display Custom 3D Corning® Gorilla® Glass 5 320 ppi AMOLED LTPO display with DCI-P3 color Up to 3000 nits (peak brightness) 1 nit minimum brightness (AOD) Responsive Display (1–60 Hz) Always-on display Connectivity 4G LTE and UMTS Bluetooth® 6.0 Wi-Fi 802.11a/b/g/n/ac/ax 2.4GHz, 5GHz NFC Ultra wideband Satellite SOS communication GPS Dual Frequency GPS: GPS, Galileo, Glonass Compatibility Works with most phones running on Android 11.0 or newer Band size Active Band: Small and large band sizes included Small fits wrists 150-185 mm around Large fits wrists 165-215 mm around Power (battery and charging) 455 mAh (typical) Built-in rechargeable lithium-ion battery Up to 40 hours with always-on display Up to 72 hours with Battery Saver Mode Quick Charge Dock Charging speed About 15 minutes to 50% About 30 minutes to 80% About 60 minutes to 100% Chip Qualcomm Snapdragon® W5 Gen 2 Cortex-M55 co-processor OS Wear OS 6.0 Storage and memory 32 GB eMMC flash 2 GB SDRAM Sensors Compass Altimeter Red and infrared sensors for oxygen saturation (SpO2) monitoring Multipurpose electrical sensors compatible with ECG app Multi-path optical heart rate sensor 3-axis accelerometer Gyroscope Ambient light sensor Electrical sensor to measure skin conductance (cEDA) for body response tracking Far field skin temperature sensor Barometer Magnetometer Interaction Side button Haptic crown Gen 3 Premium haptics Audio Built-in microphone Built-in speaker Durability and water resistance Custom 3D Corning® Gorilla® Glass 5 5 ATM IP68 What's in the box Google Pixel Watch 4 (45mm) Active Band (small and large wristbands) Google Pixel Watch Quick Charge Dock Quick Start Guide Warranty 1 year Sustainability Materials: Pixel Watch 4 is made with recycled plastic, cobalt, aluminum, steel, glass, tin, tungsten, gold, copper, and rare earth elements Housing is 100% recycled aluminum Pixel Watch 4 uses 100% recycled tin in the solder paste of multiple printed circuit boards, including the main logic board Packaging for the Google Pixel Watch 4 uses 100% plastic-free materials