Compare Open-Ear Designs
Compare open-ear and bone-conduction wireless audio by mechanism, fit, awareness limits, and the model details to verify before buying.
CS121 Black Stereo TWS Wireless Bluetooth Earphone
Features
- Stereo TWS wireless Bluetooth earphone
- Black
General specs
- Model: CS121
- Seller: Newegg
- ID: 9SIAP7MKEX4603
- Model Name: CS121
- Part Number: C2855J5UQ=EDA003834801A
- Product Type: Stereo TWS wireless Bluetooth earphone
- First listed by seller: October 6, 2026
If you are interested in more details, you can find full information on the seller's page.
€22.33
Last price update: 10/6/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
Stereo TWS wireless Bluetooth earphone in black.
Similar products comparison
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Stereo TWS Wireless Bluetooth Earphone Black Stereo TWS wireless Bluetooth earphone
|
HAMTOD CS121 White Bluetooth wireless connectivity
|
HAMTOD CS121 Pink Stereo TWS wireless Bluetooth earphone
|
In-ear wireless Bluetooth earphone Black Stereo audio
|
Wireless Bluetooth Earphone Black Bluetooth 5.0
|
True Wireless Bluetooth Earphones Black True wireless Bluetooth earphones
|
|
| Model | CS121 | CS121 | CS121 | TG13 | J1 Pro | S12 |
| Color |
|
|
|
|
|
|
| Price | €22.33 | €16.04 | €16.08 | €24.23 | €67.05 | €36.72 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Oct 14, 2026 | Oct 14, 2026 | Oct 14, 2026 | Oct 14, 2026 | Oct 14, 2026 | Oct 14, 2026 |
| Model Name | CS121 | CS121 | CS121 | TG13 | J1 Pro | S12 |
| Part Number | C2855J5UQ=EDA003834801A | C16101V63=EDA003834801B | C16101V63=EDA003834801C | C2855J5UQ=SYA001401901A | C2855J5UQ=IP6D1328B | C2855J5UQ=IP6D0845B |
| Product Type | Stereo TWS wireless Bluetooth earphone | TWS wireless Bluetooth earphone | Stereo TWS wireless Bluetooth earphone, wireless Bluetooth earphone | In-ear wireless Bluetooth earphone | wireless Bluetooth earphone | True wireless Bluetooth earphone |
Stereo TWS Wireless Bluetooth Earphone Black Stereo TWS wireless Bluetooth earphone
€22.33
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.