1. 1.83” large HD TFT screen 2. Single chip, dual mode; one button to make/answer calls, easy to operate 3. 80 sports modes, intelligent selection, more professional exercise 4. Rotate the button to switch dial page 5. Online & custom dial styles at your choice, create your own style 6. IP68 water resistance, worry-free usage 7. Accurately master health data, auto monitoring of heart rate, blood pressure, blood oxygen, stress and sleep 8. Real-time sync with incoming calls and APP messages, reminds you timely, presents to you clearly Specifications: BT version: BLE5.3 BT3.0 BT chip: JL7012/F6 Memory: 64MB Waterproof rating: IP68 BT range: about 10m Screen material: TFT Screen size: 1.83” Screen resolution: 240*286 Touch control mode: capacitive touch control Battery capacity: 300mAh Charging time: about 2.5h Standby time (connected): about 15 days Typical usage time: about 7-10 days Charging mode: magnetic charging Charging input: 5V?500mA Overall size: 36.5*44.7*11.5mm Band material: silicone Band size: 219mm*20mm Applicable wrist size: 50mm-220mm Body material: top shell: zinc alloy; base shell: PC ABS Weight: about 50g