Amwentu BJ02 Smart Ring - Heart Rate, Sleep, Fitness Tracker in Rose Gold
Meet the Amwentu BJ02 Smart Ring – your new health and fitness sidekick that’s as stylish as it is smart. No subscriptions, no fuss. Just slip it on and get insights into your heart rate, blood oxygen levels, and even how stressed you’re feeling (because sometimes, you need a gadget to tell you that). Plus, it’s waterproof, because life happens.
Ever wondered why you’re still tired after what felt like a full night’s sleep? This ring’s got your back (or rather, your wrist). It quietly monitors your sleep, breaking down the deep and light phases so you can finally crack the code to better Z’s.
Whether you’re a marathon runner or just trying to make it through your daily steps, this ring adapts. It tracks everything from your calorie burn to how far you’ve gone – literally. Running, cycling, or just power-walking away from responsibilities? Covered.
Battery life that actually lasts? Check. A quick 3-hour charge keeps you going for up to 5 days. And if you’re the type who forgets to charge things (we’ve all been there), the portable charging case has your back, stretching that battery life to a whopping 61 days. Perfect for when you’re on the move or just can’t be bothered.
Looking for a gift that says ‘I care about your health but also your tech-savvy side’? This is it. Works with Android and iOS, comes with everything you need (ring, charging case, USB cable, and yes, a manual for those who read them). It’s the thoughtful nudge towards healthier living that anyone would appreciate.
General specs
- Brand: Amwentu
- Model: BJ02
- Seller: Amazon
- ID: B0DS8KQ39X
- Package Dimensions: 3.15 x 3.15 x 1.06 inches
- Item Weight: 2.39 ounces
- Batteries: 1 CR5 batteries required.
- Customer Reviews: 4.7 stars from 27 ratings
- Date First Available: January 4, 2025
- Manufacturer: Amwentu
- Country of Origin: China
- Memory Storage Capacity: 120 MB
- First listed by seller: 3/24/25
If you are interested in more details, you can find full information on the seller's page.
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Price History for seller Amazon
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Amwentu BJ02
|
Amwentu BJ02 No subscription fee
|
Generic BJ02 Accurate sleep monitoring
|
Amwentu R10 No subscription fee
|
UouNeaCo BJ01-Gray-009 24/7 Health Monitoring
|
Amazfit W2321TY2N Premium sleep monitoring
|
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| Brand | Amwentu | Amwentu | Generic | Amwentu | UouNeaCo | Amazfit |
| Model | BJ02 | BJ02 | BJ02 | R10 | BJ01-Gray-009 | W2321TY2N |
| Color | ||||||
| Rating |
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| Price | $30.25 | $21.88 | $27.99 | $48.87 | $18.99 | $199.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | September 1, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 |
| package_dimensions | 0.1 x 0.1 x 0.1 inches | 3.78 x 3.74 x 1.81 inches | 3.14 x 3.11 x 1.02 inches | |||
| item_weight | 0.004 ounces | 4.2 ounces | 3 Grams | 4 Grams | ||
| batteries | 1 9V batteries required. (included) | 1 Lithium Polymer batteries required. (included) | 1 Lithium Polymer batteries required. (included) | |||
| country_of_origin | China | China | China | China | ||
Smart Ring with Health Tracking, Sleep Monitor, Fitness Tracker
Reviews
Maximilian Díaz
March 27, 2025
Lucas Phillips
March 27, 2025
Mia Garcia
March 27, 2025
Leon Kwiatkowski
March 26, 2025
Lucas Smith
March 26, 2025
Sofia Ferreira
March 26, 2025