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Smart rings with HRV (Heart Rate Variability) measurement

 prices on 8 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 12Prices 11
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 £348.99 up to £399.00 
Compare prices and buy Oura Ring Gen4 11
3 stores 11 offers
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Smart Ring FOREVER Astral SR-100 7
FOREVER Astral SR-100 7
sports modes
Connection:Bluetooth 5.2
Measurements:heart rate monitor, pulse oximeter (oxygen), thermometer (body temperature), stress level, period tracker
Body:steel
Protection:50 WR / 5 ATM
Photos 5Prices 1
17.4 mm / 718.2 mm / 818.9 mm / 919.8 mm / 1020.7 mm / 1121.5 mm / 12
Price from £43.20
Compare prices and buy FOREVER Astral SR-100 7
1 store 1 offer
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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 4
15.7 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 / 14
Colour:
Price from £366.32 up to £393.00 
Compare prices and buy Ultrahuman Ring Air 8
3 stores 4 offers
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Smart Ring Oura Horizon 10
Oura Horizon 10
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 2.55 mm
Protection:100 WR / 10 ATM
Photos 10Prices 2
Price from £348.99 up to £349.00 
Compare prices and buy Oura Horizon 10
2 stores 2 offers
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Smart Ring Amazfit Helio 8
Amazfit Helio 8
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 2.6 mm
Protection:100 WR / 10 ATM
Photos 3Prices 1
Price from £149.99
Compare prices and buy Amazfit Helio 8
1 store 1 offer
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Smart Ring RingConn Smart Ring Gen2 8
RingConn Smart Ring Gen2 8
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 3
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 £329.00 
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1 store 3 offers
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Smart Ring Oura Ring Gen5 11
Oura Ring Gen5 11
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
16.5 mm / 6
17.4 mm / 7
18.2 mm / 8
18.9 mm / 9
19.8 mm / 10
20.7 mm / 11
21.5 mm / 12
22.3 mm / 13
0 stores 0 offers
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Smart Ring RingConn Smart Ring Gen3 12
RingConn Smart Ring Gen3 12
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
17.4 mm / 7
18.2 mm / 8
18.9 mm / 9
19.8 mm / 10
20.7 mm / 11
21.5 mm / 12
22.3 mm / 13
23 mm / 14
23.8 mm / 15
0 stores 0 offers
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HRV (Heart Rate Variability)