1. Material: zinc alloy+PC+ABS2. Screen: 1.14TFT screen3. Touch mode: single touch4. Resolution: 135x2405. Call time: 4.5h6. Working hours: 60h7. Charging time: 2h8. Standby time: more than 7 days9. Battery: 100mAh10. Storage: 4MB+32MB11. Matching system: Apple/Android and all smartphones12. Bluetooth version: 5.213. Charging interface: charging base14. Support calling/listening to music/pedometer/distance measurement/calorie/heart rate/blood pressure/blood oxygen/sleep management/exercise/time display/alarm clock reminder15. Support Chinese and English16. Support washing hands and wearing in the rain to meet the needs of daily life