1- 1.43inch high-definition full-touch AMOLED full-screen color screen, resolution 466*466pixel; 2- Narrow-sided aluminum alloy frosted electroplated case, 20mm replaceable strap, IP68 waterproof for daily use, two hours of charging, and 30 days of standby. 3- SF551 single-core multi-mode call chip, you can make calls with only APP link. Compared with dual-core calls on the market, it has stable performance, low power consumption and simple operation. 4- 3 sets of UI styles, 70+ watch to choose from, support DIY, 113+ sports modes, 21 countries and multiple languages, 100 local address books, etc.; 5- Make and receive calls, Bluetooth music, one-click SOS for help, female menstrual cycle, weather, real-time heart rate, blood oxygen and body temperature monitoring, etc. It is a smart watch that understands women better. Colour:Silver Material:Zinc alloy + silicone Package Contents: 1 x watch 1 x strap 1 x charging cable 1 x Instructions in Chinese and English Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.