LOANIY E18 Pro Smart Bluetooth Calling Watch with NFC Function, Color: Green Silver Steel 1. Material: metal, siliconesteelleather, electronic components 2. Functions: multiple sports mode tracking, heart rateblood pressureblood oxygen monitoring, breathing exercise, dialinginformation reminder, sleep monitoring, audio and video entertainment, smart reminder, remote control selfie 3. Screen size: 1.32 inches (TFT screen) 4. Languages: Chinese, English, German, French, Russian, Portuguese, Japanese, Arabic, Polish, Korean, Thai, Dutch, Indonesian, Czech, Italian 5. Screen resolution: 360 x 360pixel 6. Bluetooth version: 5.0 7. Wireless distance: 5-10m (inclusive) 8. Body memory: 64M 9. Wearing method: wristband type 10. Compatible system: fully compatible 11. Communication function: support 12. Battery capacity: 240mAh lithium battery 13. Charging method: magnetic charging 14. Operation mode: touch + button 15. Waterproof grade: IP67 16. Magnetic fast charging, more convenient to use, fast full charge 17. LED light sensor design on the back of the watch, real-time detection of blood pressure, heart rate, blood oxygen 18. The watch supports NFC access control unlocking function