ElectroCN HK21 Smart Watch: Bluetooth connectivity

Name: Smart Watch
Brand: ElectroCN
SKU: SMART-WATCH-75709
Price: 36.68 USD
Availability: InStock
Rating: 4.7 (19 reviews)

General info
Product details
Reviews (6)

(6 reviews)

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).

Model

HK21

General specs

Brand: ElectroCN
Model: HK21
Seller: Joom
Display: AMOLED
Connectivity: Bluetooth
Special Features: Sports mode

If you are interested in more details, you can find full information on the seller's page.

View on seller's site #publicidad

$36.68

Last price update: 5/23/25

Available to order

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United States

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Comparison with similar products

	This item	Recommendations
	ElectroCN HK21 Bluetooth connectivity	ElectroCN Watch4 Black NFC payment	ElectroCN S22 NFC connectivity	Smart Watch AMOLED display	Bluetooth Call Smart Watch ECG and PPG monitoring	Happy World Electronics HK9 Pro+ AMOLED display
Brand	ElectroCN	ElectroCN	ElectroCN	Tiktop2	Tiktop2	Happy World Electronics
Model	HK21	Watch4	S22			HK9 Pro+
Color		Black
Rating	(6)	(7)	(10)	(3)	(5)	(6)
Price	$36.68	$46.97	$48.83	$63.39	$63.38	$50.62
Seller	Joom	Joom	Joom	Joom	Joom	Joom
Update	June 9, 2025	June 6, 2025	June 9, 2025	June 9, 2025	June 9, 2025	June 6, 2025
Display	AMOLED			AMOLED	Always-on	AMOLED
Connectivity	Bluetooth		NFC	Bluetooth	Bluetooth, NFC	NFC
Health Monitoring			Heart rate, Sleep tracking	ECG, PPG		Heart rate monitor