Samsung Galaxy Watch 4

wikipedia:Samsung Galaxy Watch 4 (August 2021)

• Wear OS
• blood pressure monitoring
• Qi Wireless charging

• Galaxy Watch 3 (Aug 2020)
• Bluetooth 5.0
• eSIM

Related

• A-GPS, GLONASS, Beidou, Galileo
• Samsung Galaxy Watch 5

See also

• Wristwatch, Google Wear OS, Watch 6, Watch 5, Watch 4, Watch 3, Mi Watch, Mi Watch Lite, Apple watch, Google Pixel Watch, Samsung Galaxy Watch 7
• Samsung Galaxy, One UI, Galaxy Unpacked, S series, A10, A11, A12, A13, A14, A15, A16, Fold 3, Fold 4, Fold 5, Flip 3, Flip 4, Flip 5, Galaxy Buds2 Pro, Galaxy Watch, Samsung Cloud, Samsung Galaxy A series, Samsung Galaxy A55 5G, Galaxy AI, A70, SuperSteady