Note:
<br /> Pre-use registration does not support telephone number registration Thank you for your support.
<br />DF30 Support Fuction :Call Reminder  SMS Reminder Sleep Monito Remote Camera Control QQ Reminder: Blood Pressure Blood Oxygen Monitor Call Alert Anti-lost Touch Panel IP68 Waterproof Distance Display Calorie Consuming Display Calling Remindert Message Reminder
<br />
<br />D21 Support Function :Display Health Parameters Sync Sports Data Heart Rate Monitor IP68 Waterproof Calls/SMS Notification Alarm Clock Sedentary Reminder Palming Bright Screen Distance Display Calorie Consuming Display Calling Remindert Message Reminder
<br />
<br />Product parameters
<br />1*System : IOS iphone4S IOS8 and above
<br />2*Andrews Andrews 4.3 Bluetooth 4.0 and above models
<br />3*Bluetooth version:  BLE4.0
<br />4*Bluetooth chip: nRF52832
<br />5*Heart rate sensor heart rate blood pressure two in one sensor
<br />6*Blood oxygen sensor heart rate blood pressure two in one sensor
<br />7*Acceleration sensor triaxial acceleration
<br />8*Screen size : OLED 0.66
<br />9*Screen resolution: 64 * 48 Dots
<br />10*Battery capacity: 80mAh
<br />11*Standby time: 480 hours
<br />12*Use time: 160 hours
<br />13*Continuous heart rate test
<br />14*Charging method: Clamp type charging
<br />15*Power Requirements: 5V 500mA
<br />16*Charging time : about 0.5 hours
<br />17*Key method: Press the key to touch the key
<br />18*Waterproof rating: IP68
<br />19*Motor: SMT pillar motor
<br />
<br />Package included
<br />1x DF30/D21  smart watch
<br />1x USB Cable
<br />1x User Manual