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Smart rings with HRV (Heart Rate Variability) measurement

 prices on 6 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.
HRV (Heart Rate Variability)
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Smart Ring Ultrahuman Ring Air 5
Ultrahuman Ring Air 5
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 5
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 $349.00
Compare prices and buy Ultrahuman Ring Air 5
1 store 5 offers
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Smart Ring Oura Ring Gen4 4
Oura Ring Gen4 4
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 8Photos 12Prices 6
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 $499.00 
Compare prices and buy Oura Ring Gen4 4
1 store 6 offers
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Smart Ring Oura Heritage 6
Oura Heritage 6
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 7Prices 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 / 13
Colour:
Price from $249.00 up to $279.00 
Compare prices and buy Oura Heritage 6
1 store 2 offers
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Smart Ring Oura Horizon 6
Oura Horizon 6
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 1
16.5 mm / 617.4 mm / 718.2 mm / 818.9 mm / 919.8 mm / 1020.7 mm / 1121.5 mm / 1222.3 mm / 13
Price from $279.00
Compare prices and buy Oura Horizon 6
1 store 1 offer
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Smart Ring Rollme R5 10
Rollme R5 10
Newsports modes
Connection:Bluetooth 5.0
Measurements:heart rate monitor, pulse oximeter (oxygen), thermometer (body temperature)
Body:steel
Protection:IP68
Photos 6
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 store 0 offers
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Smart Ring RingConn Smart Ring Gen2 8
RingConn Smart Ring Gen2 8
Newsports 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 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
23 mm / 14
0 store 0 offers
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