Tiwain KJ31 Smart Watch with Flashlight: Smart Life on Your Wrist with unique flashlight and blue light design
Ever wished your wrist could do more than just tell time? Well, buckle up! With a built-in flashlight and that slick blue light design, this smartwatch is like having a mini command center strapped to your arm. Need to know the weather or remind yourself to water the plants? Just tap and ask—your personal voice assistant is on it. Plus, controlling your smart devices? Yeah, it does that too.
And hey, who needs to dig out their phone to make a call? Not you. With Bluetooth calling, your watch has got you covered. Missed calls, texts, or even those endless WhatsApp group chats? They all pop up right on your wrist. (Because let's be honest, sometimes you just want to ignore them in peace.)
Your health's never off the clock, and neither is this watch. It's like having a tiny doctor on your wrist, keeping tabs on your heart rate, blood oxygen, and even how well you're sleeping. Deep sleep, light sleep, REM—it knows all your sleep secrets.
For the fitness buffs (or those who just pretend to be), there are over 120 sports modes. Running, yoga, hiking, cycling, swimming—you name it, it's got a mode for it. And yes, it's waterproof, so go ahead, take it for a swim.
Battery life? How does up to 20 days on standby sound? Or 5-10 days of actual use with just a 2-hour charge? Yeah, it's pretty much the Energizer Bunny of smartwatches.
The screen? A gorgeous 1.72-inch HD touchscreen that's so clear, you'll forget what sunlight glare even is. And because we know you like to switch things up, there are customizable watch faces to match your mood or outfit.
And because we love you, the package comes with two extra bands—one nylon, one silicone—so you can dress it up or keep it casual. Plus, our customer service team is basically your watch's fairy godmother. Need help? They've got your back.
Features
- Bluetooth Calling & Notifications
- 24/7 Health Monitoring including heart rate, blood oxygen (SpO2), and sleep patterns
- 120+ Sports Modes & IP68 Waterproof
- Long Battery Life up to 20 days of standby time
- Stunning 1.72” HD Screen & Customizable Watch Faces
- Extra Bands & Excellent Customer Service
- Smart Life on Your Wrist with unique flashlight and blue light design
General specs
- Brand: Tiwain
- Model: KJ31
- Seller: Amazon
- ID: B0DYV5SBYD
- Package Dimensions: 6.57 x 3.35 x 0.98 inches
- Item Weight: 4.3 ounces
- batteries: Nonstandard Battery batteries required. (included)
- Date First Available: February 28, 2025
- manufacturer: Tiwain
- Country of Origin: China
- Standing Screen Display Size: 1.72 Inches
- Memory Storage Capacity: 128 MB
- RAM Memory Installed Size: 256 GB
- First listed by seller: 4/9/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Amazon
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| Brand | Tiwain | LIGE | YYKY | LIGE | ESFOE | SACOSDING |
| Model | KJ31 | FV15-A | V31Z | TX2-A-US | Smart Watch | |
| Color | ||||||
| Rating |
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| Price | $29.99 | $89.99 | $19.99 | $51.56 | $37.99 | $62.06 |
| Seller | Amazon | Amazon | Amazon | Joom | Amazon | Joom |
| Update | Jun 27, 2025 | Dec 6, 2025 | Dec 6, 2025 | Jan 7, 2026 | Dec 6, 2025 | Dec 7, 2025 |
| Package Dimensions | 6.57 x 3.35 x 0.98 inches | 6.38 x 4.25 x 0.75 inches | 5.91 x 3.15 x 0.79 inches | |||
| Item Weight | 4.3 ounces | 1 Grams | 4.9 ounces | 7.1 ounces | ||
| batteries | Nonstandard Battery batteries required. (included) | 1 C batteries required. (included) | C batteries required. (included) | 1 AAA batteries required. (included) | ||
| Country of Origin | China | China | China | China | ||
| Standing Screen Display Size | 1.72 Inches | 1.85 Inches | 1.85 Inches | 1.73 Inches | ||
| Memory Storage Capacity | 128 MB | 256 MB | 128 MB | 256 MB | ||