Wearkey Y22 1.32 Inch Bluetooth Calling Smart Watch with Rotary Button 1. Material: metal, plastic, electronic components 2. Functions: multiple sports mode tracking, heart rateblood pressureblood oxygen monitoring, breathing exercise, information reminder, sleep monitoring, audio and video entertainment, smart reminder, remote control selfie 3. Supported languages: English, Czech, German, Spanish, French, Italian, Japanese, Portuguese, Russian, Indonesian, Chinese, Russian, Polish, Arabic, Hebrew, Malay, Thai, Romanian, Finnish, Vietnamese, Turkish, Croatian, Dutch, Greek 4. Screen size: 1.32 inches (TFT screen) 5. Processor: 8762DT 6. Screen resolution: 360 x 360pixel 7. Bluetooth version: 5.0+3.0 8. Wireless distance: 5-10m (inclusive) 9. Body memory: 64MB 10. Wearing method: wristband 11. Compatible system: fully compatible 12. Communication function: support 13. Battery capacity: 260mAh lithium battery 14. Charging method: Magnetic charging 15. Operation mode: touch + button 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. Dial size: 44.5 x 44.5 x 8.9mm