Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Fitbit B57 Fitness smart bracelet: Fitness smart bracelet
If you are interested in more details, you can find full information on the seller's page.
€10.09
Last price update: 10/20/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
Product details
Features
- Fitness smart bracelet
Fitness smart bracelet.
General specs
- Brand: Fitbit
- Model: B57
- Seller: Alibaba
- ID: 62331629402
- Brand: Fitbit
- Model Name: B57
- Product Type: Fitness smart bracelet
- First listed by seller: October 20, 2026
Similar products comparison
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Fitbit B57 Fitness smart bracelet
|
Banda B57 Heart rate monitor
|
allentian F57l 1.91-inch display
|
allentian F57l Listed size: 1.91 inch
|
FITUP V17 Heart-rate feature
|
ZOSKVEE B57 Pink 1.3-inch screen
|
|
| Brand | Fitbit | Banda | allentian | allentian | FITUP | ZOSKVEE |
| Model | B57 | B57 | F57l | F57l | V17 | B57 |
| Price | €10.09 | €9.20 | €47.77 | €47.77 | €14.77 | €43.29 |
| Seller | Alibaba | Alibaba | Newegg | Newegg | Alibaba | Newegg |
| Update | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 |
| Model Name | B57 | B57 | F57l | F57l | V17 | B57 |
| Product Type | Fitness smart bracelet | Fitness sport watch / smartwatch | Smart bracelet | Smart bracelet | Smart fitness bracelet | smart watch |
| Part Number | 706505885563Black | 706505885563Pink | C2855VKET=TBD0389295801C | |||
Fitbit B57 Fitness smart bracelet
€10.09
When this device makes sense
Product confidence
Reviews
There are no text reviews yet. If you have experience using this product, please leave a review. It will help other people decide whether this product is right for them.