ElectroCN HK21 Smart Watch: Bluetooth connectivity
Available Options
Meet the HK21 Smart Watch—where sleek silver meets brains and brawn. It's not just a pretty face; that vibrant AMOLED display laughs in the face of sunlight, making sure you can actually see what's going on. And yeah, it keeps you glued to your phone's notifications and calls with Bluetooth connectivity, because who has time to dig their phone out of their pocket?
For those who treat the gym like a second home, this watch is basically your personal trainer. Flip on the sports mode and it’ll track every squat, sprint, or suspiciously long break you take. Gym rat or casual jogger, this gadget’s got your back (and your wrists).
- AMOLED display
- Sports mode
- Multifunctional
- Bluetooth connectivity
General specs
- Brand: ElectroCN
- Model: HK21
- Seller: Joom
- Display: AMOLED
- Connectivity: Bluetooth
- Special Features: Sports mode
- First listed by seller: 5/23/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
ElectroCN HK21 Bluetooth connectivity
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Smart Watch AMOLED display
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Bluetooth Call Smart Watch ECG and PPG monitoring
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Smart Health Watch 1.43inch AMOLED Display
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Huiyao C21 1.32-inch full-round touch screen
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Sports Smart Watch AMOLED display
|
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| Brand | ElectroCN | Tiktop2 | Tiktop2 | Huiyao | Lucky Start | |
| Model | HK21 | S25 | C21 | |||
| Color | ||||||
| Rating |
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| Price | $34.33 | $60.64 | $60.64 | $131.70 | $70.06 | $87.25 |
| Seller | Joom | Joom | Joom | Banggood | Joom | Joom |
| Update | July 15, 2025 | August 28, 2025 | August 28, 2025 | September 2, 2025 | August 8, 2025 | August 20, 2025 |
| Display | AMOLED | AMOLED | Always-on | AMOLED | ||
| Connectivity | Bluetooth | Bluetooth | Bluetooth, NFC | Bluetooth | ||
Smart Watch
Reviews
Jewel
May 25, 2025
Simon Perez
May 25, 2025
Mason Kowalski
May 25, 2025
Olivia Moreau
May 24, 2025
Thor
May 24, 2025