R8 heart rate blood pressure sport health monitor smart ring

Hardware Configuration

master control

NORDIC NRF52832

charging chip

Siyuan SY8602

Accelerometer

QMA6100P

Battery

18mAh, 3.7/4.2V lithium battery

display screen

N/A

touch panel

one touch

physical buttons

N/A

encoder support

N/A

Photoelectric PPG Analog Front End (PPG AFE)

Tianyi Hexin HX3605

ECG Analog Front End (ECG AFE)

N/A

PPG&ECG two-in-one analog front end

N/A

body temperature sensor

N/A

motor

N/A

BT chip

N/A

Inflatable blood pressure measurement chip

N/A

Function

motion measurement

Calories, Steps, Mileage

sleep monitoring

20:00 ~ 8:00 (automatically extended to 12:00)

multi-sport mode

Running, Cycling, Rope Jumping, Fitness, Mountaineering, Yoga, Golf, Dancing

heart rate measurement

support

blood pressure measurement

Support photoelectric

heart rate alarm

not support

blood oxygen measurement

support precision

blood sugar measurement

Not supported (electrochemical measurement)

temperature alarm

not support

Automatic Health Monitoring

support

Activity information data storage

support

Historical data storage time

7 day rolling save

low battery shutdown

support

OTA upgrade

support

Auto recovery function

support

Self-test function

support

Fast and slow broadcast switching function

support

Zero-crossing clears relevant data

support

Performance

Pedometer accuracy

≥95%

sleep detection error

≤1 hour

Resting Heart Rate Accuracy

±5bpm

Ambulatory Heart Rate Accuracy

±20bpm

blood pressure accuracy

±10mmHg (average difference)

blood oxygen accuracy

±3%

ECG signal

Adapts to dry skin, waveform quality without noticeable noise

Working life

7 days

Standby battery life

60 days

Shutdown battery life

180 days

power 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 frequency deviation

±24KHz

Bluetooth received signal strength

≥-50dB

Bluetooth wireless sensitivity

≥-90dB

Key life

≥100000 times

Average no reset time

≥200 hours

Mean time between failures (MTBF)

≥1 year

Speaker output effect

No noise, no broken sound

Environmental requirements

Operating temperature

0 ~ 45ºC

Storage temperature

-10 ~ 55ºC

Working humidity

5%~95% (non-condensing)

Static Protection

Static Standard Contact: ± 6KV, Air: ± 10KV

surge protection

12V

drop requirement

Refer to GB/T 2423.8 standard

vibration requirements

Refer to GB/T2423.10 standard

Charging temperature protection

45°C

Electromagnetic Compatibility (EMC/EMI)

N/A

Other

APP system requirements

Android: above 6.0
iOS: 11.0 or above

bluetooth version

4.2

Charging voltage

4.6 ~ 5.2V