View on Amazon
Device Selection Guide
Make an informed decision between LTE smartwatches and compact smartphone setups, recognizing trade-offs in battery life, app compatibility, and audio quality.
YYKY V31Z Smart Health Watch with LED Flashlight: Built-in LED flashlight for nighttime use
Ever wished your wrist could do more than just tell time? Meet our Smart Health Watch—your new sidekick for everything from crushing workouts to just making it through Monday. With a 1.85" HD display that's sharper than your morning espresso, and a built-in LED flashlight (because who hasn't fumbled for keys in the dark?), it's got your back. And yes, you can even take calls on it. Talk about multitasking.
Worried about your health? This watch has you covered 24/7 with heart rate monitoring, SpO2 tracking (that's oxygen levels, for the uninitiated), and sleep analysis to tell you why you're still tired after 'eight hours'. Plus, it nudges you with stress-breathing exercises and physiological-cycle reminders—because sometimes we all need a little reminder to breathe. And for the fitness buffs, dive into 100+ sports modes to geek out on every detail of your sweat sessions.
Rain or shine, this watch won't bail on you. Thanks to its IP68 waterproof rating, it laughs in the face of rain, splashes, and even your post-workout glow. Customize it with a 3D dynamic dial or video dynamic wallpaper to match your mood or outfit. And with Bluetooth 5.0, it's like having your phone glued to your wrist—minus the awkward tan lines.
Looking for a gift that says 'I care about your health, style, and not missing texts'? This watch is your answer. Perfect for anyone who likes their tech smart, their style sharp, and their life a bit easier.
Features
- 24/7 heart rate and SpO2 tracking
- Answer/make calls without phone
- 100+ sports modes for fitness tracking
- IP68 waterproof for durability
- Built-in LED flashlight for nighttime use
General specs
- Brand: YYKY
- Model: V31Z
- Seller: Amazon
- ID: B0F1YG8T2G
- batteries: C batteries required. (included)
- Item Weight: 4.9 ounces
- Country of Origin: China
- Package Dimensions: 6.38 x 4.25 x 0.75 inches
- Memory Storage Capacity: 128 MB
- Standing Screen Display Size: 1.85 Inches
- First listed by seller: May 9, 2025
If you are interested in more details, you can find full information on the seller's page.
Amazon live offers
?
Top live offer is the offer currently shown first for this Amazon listing. It may differ from the lowest available price.
FBA means the order is fulfilled by Amazon, even when the seller is a third-party merchant.
Shippable means the offer is listed as available for delivery on Amazon.
New, Used and Refurbished describe the item condition shown for that Amazon offer.
No live offers captured right now
Check current availability on Amazon.
Offers updated: 6/22/26
Affiliate link. As an Amazon Associate I earn from qualifying purchases.
Price History for seller Amazon
Shipping options
Delivery to 
United States
United States
Available
Similar products comparison
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
YYKY V31Z Built-in LED flashlight for nighttime use
|
ESFOE TX2-A-US High-Brightness Tactical LED Flashlight
|
Blackview W70 Pro Green Built-in LED flashlight
|
Blackview W50 Pro Black IP68 waterproof rating
|
ESFOE EF5 Military-grade durability with LED flashlight
|
Foxhawk KT75 Powerful LED flashlight with 3 modes
|
|
| Brand | YYKY | ESFOE | Blackview | Blackview | ESFOE | Foxhawk |
| Model | V31Z | TX2-A-US | W70 Pro | W50 Pro | EF5 | KT75 |
| Color |
|
|
||||
| Rating |
|
|
|
|
||
| Price | €21.46 | €17.44 | €43.61 | €43.61 | €66.29 | €24.42 |
| Seller | Amazon | Amazon | Blackview | Blackview | Amazon | Amazon |
| Update | Apr 1, 2026 | Apr 9, 2026 | Apr 18, 2025 | Apr 18, 2025 | May 2, 2026 | May 19, 2026 |
| batteries | C batteries required. (included) | 1 AAA batteries required. (included) | 1 Lithium Polymer batteries required. (included) | |||
| Item Weight | 4.9 ounces | 7.1 ounces | 9.6 ounces | |||
| Country of Origin | China | China | China | |||
| Memory Storage Capacity | 128 MB | 256 MB | 256 MB | |||
| Standing Screen Display Size | 1.85 Inches | 1.73 Inches | 1.43 Inches | |||
| Display Size | 1.45 | 1.45 | 1.53 Inches | |||
YYKY V31Z Built-in LED flashlight for nighttime use
€21.46
Affiliate link. As an Amazon Associate I earn from qualifying purchases.
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.