| Brand |
Rogbid |
| Model |
R2 |
| Main Controller |
NORDIC NRF52832-CIAA |
| Charging chip |
Siyuan SY8602 |
| Acceleration sensor |
QMA6100P |
| Battery |
23mAh, 3.7/4.2V lithium battery |
| Optoelectronic PPG analog front end (PPG AFE) |
Tianyi Hexin HX3605 |
| Exercise measurements |
Calories, steps, mileage |
| Sleep monitoring |
20 |
| Multi-sport modes |
Running, cycling, skipping, fitness, mountain climbing, yoga, golf, dance |
| Heart rate measurement |
Support |
| Blood pressure measurement |
Supports photoelectricity |
| Heart rate alarm |
Not supported |
| Blood oxygen measurement |
Supports accurate |
| Blood glucose measurement |
Not supported (electrochemical measurement) |
| Body temperature alarm |
Not supported |
| Automatic health monitoring |
Supported |
| Activity information data storage |
Supported |
| Historical data storage period |
7 days rolling storage |
| Low battery shutdown |
Supported |
| OTA upgrade |
Supported |
| Automatic recovery function |
Supported |
| Self-test function |
Support |
| Fast and slow broadcast switching function |
Supported |
| Zero-crossing point clearing related data |
Supported |
| Step counting accuracy |
≥95% |
| Sleep detection error |
≤1 hour |
| Resting heart rate accuracy |
±5bpm |
| Dynamic heart rate accuracy |
±20bpm |
| Blood pressure accuracy |
±10mmHg (mean difference) |
| Blood oxygen accuracy |
±3% |
| ECG signal |
Adapted to dry skin, waveform quality without obvious noise |
| Working life |
7 days |
| Standby battery life |
60 days |
| Power off battery life |
180 days |
| Power consumption requirements |
Shutdown power consumption: ≤10uA
Standby power consumption: ≤50uA |
| Battery display error |
≤3% |
| Charging time (hours) |
1 ± 0.5 |
| bluetooth emission strength |
0dB |
| bluetooth center frequency deviation |
±24KHz |
| bluetooth receiving signal strength |
≥-50dB |
| bluetooth wireless sensitivity |
≥-90dB |
| Button life |
≥100000 times |
| Average no-reset time |
≥200 hours |
| Mean time between failures (MTBF) |
≥1 year |
| Speaker output effect |
No noise, no broken sound |
| Working temperature |
0 ~ 45℃ |
| Storage temperature |
-10 ~ 55℃ |
| Working humidity |
5%~95% (no condensation) |
| Static electricity protection |
Static electricity standard contact |
| Surge protection |
12V |
| Drop requirements |
Refer to GB/T 2423.8 standard |
| Vibration requirements |
Refer to GB/T2423.10 standard |
| Charging temperature protection |
45℃ |
| APP system requirements |
Android: 6.0 and above / iOS: 11.0 and above |
| bluetooth version |
5.2 |
| Charging voltage |
4.6 ~ 5.2V |
Rogbid R2 Ceramic Smart Ring
$37.99
