| Model | AOJ-33B |
| Display | LED Screen |
| Measuring Method | Oscillometric |
| Measuring Part | Upper arm |
| Measurement Range | Blood Pressure: SYS: 57-255 mmHg (7.6-33.4 kPa); DIA: 25-195 mmHg (3.33-26 kPa); Pulse Rate: 40-199 bpm |
| Memory | 1 user with 240 memory sets |
| Power Source | 3.7V Rechargeable Lithium Battery |
| Charging Method | Type-C Charging Port; Charging Voltage: DC 5V Charging Time: 2 hours for full charge |
| Low Battery | When the power is lower than 3.4V, the device will be turned off. |
| Dimension | 125 mm (Length) x 48 mm (Width) x 28 mm (Height) (4.92 inches x 1.89 inches x 1.1 inches) |
| Screen Size | 46.5 mm (Length) x 16 mm (Width) (1.8 inches) |
| Cuff Size | 22-42 cm (8.66-16.53 inches) |
| Weight | About 225g |
| Auto Power-off | 1 Minute Without Operation |
| Service Life | 5 years |
