Function Optional:
1. Voice function;
2. LCD 1 color Backlit; 
3. LCD 3 colors Changing Indication,
Green: Optimal/Normal blood pressure
Yellow: High Normal value
Red: Mild/Moderate/Severe hypertension
4. Bluetooth transmission for iOS and Android. 


Features:
* Buckle fixed CUFF Arm Tyle BPM;
* Acrylic front panel;
* Built-in Rechargeable Lithium-ion battery(option); 

1. LCD size: 81 x 27mm with digit height 16mm;
2. 2 x 90 groups memory function;
3. Average calculating for the latest 3 times measurement value;
4. Blood pressure classification (WHO) indicator;
5. Irregular heartbeat (IHB) indicator;
6. Year/month/date/time function;
7. Accuracy: Pressure +/-3mmHg; Pulse+/-5%;
8. Automatically inflate and deflate;
9. Power by USB rechargeable Li-battery (option) or 4 AAA size alkaline batteries or AC/DC power supply;
10. Automatic power-off function;