Amwentu BJ02 Smart Ring for Health and Fitness Tracking: No subscription fee
Meet the Smart Ring Health Tracker – your new 24/7 health buddy that doesn't ask for a monthly fee. Whether you're a man or woman, this sleek little gadget keeps tabs on everything from your heart rate to how well you're sleeping (or not sleeping, we've all been there). Plus, with the app, you can dive into your health stats daily, weekly, or monthly – no mysteries here.
Ever wondered why you wake up feeling like you've run a marathon? The sleep monitoring feature has your back, tracking everything from when you hit the hay to the quality of your Z's (deep sleep vs. light sleep). It's like having a sleep scientist right on your finger, helping you tweak your nighttime routine for better shut-eye.
For the fitness buffs (or those who pretend to be on Mondays), this ring doesn't slack. It's got your back with multiple exercise modes – running, cycling, even brisk walking to the fridge counts. It logs your calories, workout time, and how far you've gone, because every step (or pedal) counts.
Battery life? More like battery livelihood. A quick 30-minute charge powers this ring for up to a week. And with the free portable charging case (which, by the way, can juice up your ring about 16 times), you're looking at over two months of power. Perfect for those who are always on the move or just forget to charge things.
What's in the box? Glad you asked. You'll get the smart ring, a charging case that's as portable as your excuses for not working out, a magnetic USB charging cable, and a user manual (for those who read instructions). Compatible with Android and iOS, it's the gift that keeps on giving – for him, for her, for anyone who's into staying healthy without the hassle.
Features
- Real-time health indicators monitoring
- Excellent sleep monitoring
- Multiple exercise modes tracking
- Durable battery with portable charging case
- No subscription fee
General specs
- Brand: Amwentu
- Model: BJ02
- Seller: Amazon
- ID: B0DS8C5Q3C
- Package Dimensions: 3.15 x 3.11 x 1.02 inches
- Item Weight: 2.39 ounces
- batteries: 1 CR5 batteries required.
- Customer Reviews: 4.2 stars, 73 ratings
- Date First Available: January 4, 2025
- manufacturer: Amwentu
- Country of Origin: China
- Standing Screen Display Size: 1 Inches
- Memory Storage Capacity: 120 MB
- First listed by seller: 4/8/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Price History for seller Amazon
Shipping options
United States
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| Brand | Amwentu | Oura | Shenzhen Yawell Intelligent Technology Co.,Ltd | CNBRO | Herz | Ultrahuman |
| Model | BJ02 | JZ90-1003-06 | R06 | JYR10PFS | P1 | RA-RT-Size14-US |
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| Price | $21.88 | $299.91 | $39.99 | $23.97 | $59.99 | $349.00 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Jun 27, 2025 |
| Package Dimensions | 3.15 x 3.11 x 1.02 inches | 4.02 x 3.11 x 1.26 inches | 0.39 x 0.39 x 0.39 inches | 15.55 x 12.56 x 9.33 inches | ||
| Item Weight | 2.39 ounces | 7.8 ounces | 2.39 ounces | 3.52 ounces | 0.127 ounces | |
| batteries | 1 CR5 batteries required. | 1 Lithium Ion batteries required. (included) | 1 Lithium Polymer batteries required. (included) | 1 Lithium Metal batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | |
| Date First Available | January 4, 2025 | January 19, 2024 | March 21, 2025 | |||
| Country of Origin | China | Estonia | China | China | ||
Amwentu BJ02 No subscription fee
Reviews
Ella Brown
April 11, 2025
María Fischer
April 10, 2025
Matthew Roberts
April 10, 2025
Lucas Smith
April 9, 2025
Laura Kozłowski
April 8, 2025
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