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A46U SY15 Smart Ring Blood Oxygen Sensor, Heart Rate Monitor Waterproof Sleep Detection
You want to keep an eye on your health without wearing a bulky fitness tracker. The A46U SY15 Smart Ring fits seamlessly into your daily routine, whether you're at the office or on a morning run. Use it to track your blood oxygen levels during high-altitude hiking or monitor your heart rate while you sleep.
Most trackers focus on counting steps. This ring shifts the focus to your body's essential signals, like SpO2 and sleep quality. The sensors adjust to your skin temperature during a workout, providing accurate readings even when you're sweating. The motion alert pops up on your phone before you realize your sleep patterns have changed, helping you catch early signs of fatigue.
Wear it 24/7, even while showering or swimming thanks to its waterproof design. The data syncs seamlessly with your Android or iOS phone, giving you actionable insights without any noise. This isn't another gadget. It's a quiet partner for your wellness journey.
Features
- Heart rate monitor
- Waterproof
- Sleep detection
- Compatible with Android and iOS
- Blood oxygen sensor
General specs
- Brand: A46U
- Model: SY15
- Seller: AliExpress
- ID: 1005012483282965
- Model: A46U SY15
- Waterproof: Yes
- Compatibility: Android, iOS
- Detection Sleep: Yes
- Heart Rate Monitor: Yes
- Blood Oxygen Sensor: Yes
- First listed by seller: July 10, 2026
If you are interested in more details, you can find full information on the seller's page.
RUB 1,608.72
Last price update: 7/14/26
Out of stock
Price History for seller AliExpress
| Date | Price |
|---|---|
| 7/14/26 | RUB 1,608.72 |
| 7/10/26 | RUB 1,664.30 |
Shipping options
Delivery to 
Russia
Russia
Available
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| Brand | A46U | ZBNMY | Kuinha | |||
| Model | A46U SY15 | R12 | R11C | |||
| Color |
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| Rating |
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| Price | RUB 1,608.72 | RUB 1,438.06 | RUB 1,692.48 | RUB 2,739.92 | RUB 1,204.00 | RUB 1,330.03 |
| Seller | AliExpress | AliExpress | AliExpress | Retailer | AliExpress | Retailer |
| Update | Jul 15, 2026 | Jul 15, 2026 | Jul 15, 2026 | Mar 21, 2026 | Jun 24, 2026 | Mar 21, 2026 |
| Compatibility | Android, iOS | Android | iOS, Android | Android, iOS | Android 6.0 or above, iOS 11.0 or higher | |
| Heart Rate Monitor | Yes | Yes | Yes | |||
| Type | Smart Ring | Smart Ring | Smart Ring | |||
A46U SY15 Black Blood oxygen sensor
RUB 1,608.72
When this device makes sense
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