Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
KarenM B57C 2019 Smartwatch with Heart Rate Monitor and Music Control
If you are interested in more details, you can find full information on the seller's page.
A$17.63
Last price update: 11/13/26
Available to order
We may earn a commission
Shipping options
Delivery to 
Australia
Australia
Available
Product details
Features
- Heart rate monitor
- Music control
- Big screen
The KarenM B57C is a smartwatch from 2019 with a big screen. It includes a heart rate monitor and music control.
General specs
- Brand: KarenM
- Model: B57C
- Seller: Alibaba
- ID: 62136038980
- Brand: KarenM
- Model: B57C
- Music Control: Music control
- Display Feature: Big screen
- Heart Rate Monitoring: Heart Rate Monitor
- First listed by seller: September 22, 2026
Similar products comparison
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
KarenM B57C Big screen
|
Smart Watch with Bluetooth, Full-Touch Display, Music and Heart Rate Monitor Heart rate monitor
|
Tinderala GT105 1.22 inch display
|
Touch Screen Sport Smartwatch with Heart Rate Monitor Touch screen
|
Smartwatch with Earphone, Heart Rate and Sleep Monitoring, Bluetooth Calling and Music
|
Bluetooth Smart Watch with Heart Rate Sensor, Pedometer, Sleep Monitor, Music and Weather Display
|
|
| Model | B57C | GT105 | T5 | Y3 Plus | ||
| Price | A$17.63 | A$17.49 | A$22.03 | A$21.73 | A$16.90 | A$23.51 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 |
| Heart Rate Monitoring | Heart Rate Monitor | Heart Rate Monitor | Heart Rate | Heart Rate Monitor | ||
| Product Type | Smart Watch | Smartwatch | Smart Watch, Smartwatch | Smart Watch | ||
KarenM B57C Big screen
A$17.63
We may earn a commission
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.