Generic BJ02 Smart Ring: Accurate sleep monitoring
And when you're awake? This ring doesn't slack. It counts every step, calorie, and minute of exercise, whether you're running, cycling, or pretending to swim (we won't judge). With a battery that lasts up to 5 days—or a whopping 60 if you use the charging case—it's like the Energizer Bunny of health trackers. Plus, it's 10ATM waterproof, so go ahead, take it for a swim or wash your hands like you're in a public service announcement. Made from tough epoxy resin and stainless steel, it's built to last and comfy enough to forget you're wearing it.
Oh, and for the pièce de résistance: Air Gestures. Wave your hand like a magician to scroll through your feed or snap a pic from afar—no touching required. And the best part? No sneaky subscription fees lurking in the fine print. Just pure, unadulterated tech magic.
General specs
- Brand: Generic
- Model: BJ02
- Seller: Amazon
- package_dimensions: 0.1 x 0.1 x 0.1 inches
- item_weight: 0.004 ounces
- batteries: 1 9V batteries required. (included)
- date_first_available: May 31, 2025
- country_of_origin: China
- standing_screen_display_size: 0.1 Inches
- memory_storage_capacity: 80 MB
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
#publicidad
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Generic BJ02 Accurate sleep monitoring
|
DustAway SR03 Comprehensive Health Monitoring
|
Ring-02 Ring-001 24/7 health monitoring
|
Health Tracker Ring Heart rate monitoring
|
Smart Fitness Tracker Ring Multifunctional health monitoring
|
Duobuy Smart Ring Intelligent Sleep Tracker
|
|
| Brand | Generic | DustAway | Ring-02 | KNGAD | Domhong | Duobuy |
| Model | BJ02 | SR03 | Ring-001 | Smart Ring | ||
| Color | ||||||
| Rating |
|
|
|
|
|
|
| Price | $49.99 | $49.99 | $59.99 | $69.98 | $42.99 | $69.97 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | July 17, 2025 | July 17, 2025 | July 19, 2025 | June 29, 2025 | June 27, 2025 | June 27, 2025 |
| package_dimensions | 0.1 x 0.1 x 0.1 inches | 3.15 x 3.15 x 1.18 inches | 3.6 x 3.5 x 1.9 inches | 4.02 x 3.11 x 1.26 inches | 3.03 x 2.95 x 1.85 inches | |
| item_weight | 0.004 ounces | 3 Grams | 16 ounces | 3.2 ounces | 3.84 ounces | |
| batteries | 1 9V batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | 1 A batteries required. (included) | |
| country_of_origin | China | China | China | |||
| memory_storage_capacity | 80 MB | 0.12 MB | 15 MB | 512 KB | 128 MB | |