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Smart rings with HRV (Heart Rate Variability) measurement

 prices on 7 models

HRV (Heart Rate Variability)

— sensor for measuring the intervals between successive contractions of the heart muscle. These measurements are important indicators of the functioning of the nervous system and can reflect stress levels, physical fitness, and general health of the body. At the same time, the heart rate variability (HRV) indicator helps assess the user’s readiness for physical activity, determining the optimal moments for training and rest.
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Smart Ring Oura Ring Gen4 11
Oura Ring Gen4 11
sports modes
Connection:Bluetooth 5.0
Measurements:heart rate monitor, pulse oximeter (oxygen), thermometer (body temperature), stress level, period tracker
Body:titanium, width 7.9 mm, depth 2.88 mm
Protection:100 WR / 10 ATM
Videos 7Photos 13Prices 14
14.9 mm / 415.7 mm / 516.5 mm / 617.4 mm / 718.2 mm / 818.9 mm / 919.8 mm / 1020.7 mm / 1121.5 mm / 1222.3 mm / 1323 mm / 1423.8 mm / 15
Colour:
Price from $349.00 up to $549.00 
Compare prices and buy Oura Ring Gen4 11
2 stores 14 offers
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Smart Ring Ultrahuman Ring Air 8
Ultrahuman Ring Air 8
sports modes
Connection:Bluetooth 5.0
Measurements:heart rate monitor, pulse oximeter (oxygen), thermometer (body temperature), stress level
Body:titanium, width 8.1 mm, depth 2.45 mm
Photos 22Prices 2
16.5 mm / 617.4 mm / 718.2 mm / 818.9 mm / 919.8 mm / 1020.7 mm / 1121.5 mm / 1222.3 mm / 1323 mm / 14
Colour:
Price from $349.00
Compare prices and buy Ultrahuman Ring Air 8
2 stores 2 offers
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Smart Ring RingConn Smart Ring Gen2 Air 9
RingConn Smart Ring Gen2 Air 9
sports modes
Connection:Bluetooth 5.0
Measurements:heart rate monitor, pulse oximeter (oxygen), thermometer (body temperature), stress level, period tracker
Body:steel, width 6.8 mm, depth 2 mm
Protection:100 WR / 10 ATM, IP68
Photos 5Prices 4
16.5 mm / 617.4 mm / 718.2 mm / 818.9 mm / 919.8 mm / 1020.7 mm / 1121.5 mm / 1222.3 mm / 1323 mm / 14
Colour:
Price from $199.00
Compare prices and buy RingConn Smart Ring Gen2 Air 9
1 store 4 offers
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Smart Ring RingConn Smart Ring Gen2 11
RingConn Smart Ring Gen2 11
sports modes
Connection:Bluetooth 5.0
Measurements:heart rate monitor, pulse oximeter (oxygen), thermometer (body temperature), stress level, period tracker
Body:titanium, width 6.8 mm, depth 2 mm
Protection:100 WR / 10 ATM, IP68
Videos 2Photos 5Prices 9
16.5 mm / 617.4 mm / 718.2 mm / 818.9 mm / 919.8 mm / 1020.7 mm / 1121.5 mm / 1222.3 mm / 1323 mm / 14
Colour:
Price from $299.00 up to $399.00 
Compare prices and buy RingConn Smart Ring Gen2 11
2 stores 9 offers
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Smart Ring Qalo QRNT Slim Smart Ring 11
Qalo QRNT Slim Smart Ring 11
sports modes
Connection:Bluetooth 5.0
Measurements:heart rate monitor, pulse oximeter (oxygen), thermometer (body temperature), stress level, period tracker
Body:titanium, width 8 mm, depth 2.2 mm
Protection:100 WR / 10 ATM, IP68
Photos 4Prices 2
16.5 mm / 617.4 mm / 718.2 mm / 818.9 mm / 920.7 mm / 1121.5 mm / 1222.3 mm / 13
Colour:
Price from $199.95
Compare prices and buy Qalo QRNT Slim Smart Ring 11
1 store 2 offers
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Smart Ring Oura Ring Gen5 10
Oura Ring Gen5 10
Newsports modes
Connection:Bluetooth 5.0
Measurements:heart rate monitor, pulse oximeter (oxygen), thermometer (body temperature), stress level, period tracker
Body:titanium, width 6.09 mm, depth 2.28 mm
Protection:100 WR / 10 ATM
Photos 7
15.7 mm / 5
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18.2 mm / 8
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0 stores 0 offers
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Smart Ring RingConn Smart Ring Gen3 11
RingConn Smart Ring Gen3 11
Newsports modes
Connection:Bluetooth 5.0
Measurements:heart rate monitor, pulse oximeter (oxygen), thermometer (body temperature), stress level, period tracker
Body:titanium, depth 2.3 mm
Protection:100 WR / 10 ATM, IP68
Photos 9
16.5 mm / 6
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22.3 mm / 13
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23.8 mm / 15
0 stores 0 offers
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HRV (Heart Rate Variability)