AI Smart Watch for Men Android iphone, 1.39" Touchsreen Fitness Tracker with Bluetooth Call, 110+ Sport Modes, IP68 Waterproof, Gift Idea, Black
AI Smart Watch for Men Android iphone, 1.39" Touchsreen Fitness Tracker with Bluetooth Call, 110+ Sport Modes, IP68 Waterproof, Gift Idea, Black
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AI Smart Watch for Men Android iphone, 1.39" Touchsreen Fitness Tracker with Bluetooth Call, 110+ Sport Modes, IP68 Waterproof, Gift Idea, Black

25 ratings
AI Smart Watch for Men Android iphone, 1.39" Touchsreen Fitness Tracker with Bluetooth Call, 110+ Sport Modes, IP68 Waterproof, Gift Idea, BlackSmart Watch Women Android iphone 1 39 Touchsreen Fitness Tracker AI Q A Bluetooth Calls 110 Sport Modes IPX8 Waterproof Gift Idea BlackSmart Watch Women Android iphone 1 39 Touchsreen Fitness Tracker AI Q A Bluetooth Calls 110 Sport Modes IPX8 Waterproof Gift Idea Pink
ColorBlack

Key item features

  • 【AI Intelligent Function】 Built-in Chat GPT AI chat function enables on-the-go intelligent conversations, instant Q&A, info lookup & smart assistance right from your wrist, paired with customizable AI watch dials for personalized style & smart AI experience in one.
  • 【HD Touch Screen】 The smartwatch is equipped with a 1.39-inch high-definition color screen with a clear resolution of 360 * 360, which can display clearly even under direct sunlight. The touch operation is smooth, making it easy to control all watch functions.
  • 【110+ Sports Modes】Cover all outdoor/indoor activities—from running, swimming, yoga to HIIT, marathon, rock climbing & more, accurately track steps, distance, calories and syncs with APP for detailed motion trajectory analysis.
  • 【All-day Health Monitoring】Using high-precision sensors for 24-hour continuous monitoring, sleep tracking, respiratory training, and more, to help you develop healthier daily habits.
  • 【Long-Lasting Battery Life】Normal usage time up to 7 days, standby time up to 20+ days, only 2.5 hours to fully charge, no need for frequent charging.
  • 【IP68 Waterproof】This watch has passed IP68 waterproof and dustproof certification. Whether you are exercising, taking a shower, or getting wet, you don't have to worry.
  • 【Great Gift Idea】It is the perfect gift choice for family and friends - stylish and practical design with comprehensive intelligent functions, suitable for daily wear/exercise/office use, and a thoughtful gift for birthdays and holidays.

Specs

Brand, HOIFABattery life, 120 hrCompatible OS, Android, iOSMobile OS, iOS, AndroidResists water, YScreen size, 1.39 in

About this item

Product details

S51 AI Smart Watch, Fitness Tracker

Upgrade your daily life and fitness journey as a powerful all-in-one wearable device designed to keep you in touch, monitor your health status, and enhance every workout. This 1.39-inch circular smartwatch is made of high-quality materials and utilizes cutting-edge technology to provide a seamless user experience for busy lifestyles, fitness enthusiasts, and anyone who values smart and convenient living. Whether you go to the gym, exercise outdoors, or stay in touch at work, it is your wrist companion every moment.

Why Choose the S51-AI Smart Watch?

AI ChatGPT & AI watch faces for next-gen smart functionality

Bluetooth calling + 99 contact sync——ultimate connectivity

24/7 health monitoring with professional sensors

110+ sports modes + IP68 waterproof ——perfect for fitness lovers

23-day standby battery —— no more daily charging

Comfortable silicone band + sleek HD round screen —— style & function

Compatible with Android & iOS —— works with your phone

Product parameters

Product Model: S51

Screen Size: 1.39-inch round screen

Touch Method: full touch

Resolution: 360 * 360

Working Time: standby for 23 days, use for about 5 days. Charging for 2.5 hours

Watch Case Material: ABS+PC

Band Material: Silicone

Watch Band Length: 251mm

Packaging Box Size: 154 * 85 * 19mm

  • 【AI Intelligent Function】 Built-in Chat GPT AI chat function enables on-the-go intelligent conversations, instant Q&A, info lookup & smart assistance right from your wrist, paired with customizable AI watch dials for personalized style & smart AI experience in one.
  • 【HD Touch Screen】 The smartwatch is equipped with a 1.39-inch high-definition color screen with a clear resolution of 360 * 360, which can display clearly even under direct sunlight. The touch operation is smooth, making it easy to control all watch functions.
  • 【110+ Sports Modes】Cover all outdoor/indoor activities—from running, swimming, yoga to HIIT, marathon, rock climbing & more, accurately track steps, distance, calories and syncs with APP for detailed motion trajectory analysis.
  • 【All-day Health Monitoring】Using high-precision sensors for 24-hour continuous monitoring, sleep tracking, respiratory training, and more, to help you develop healthier daily habits.
  • 【Long-Lasting Battery Life】Normal usage time up to 7 days, standby time up to 20+ days, only 2.5 hours to fully charge, no need for frequent charging.
  • 【IP68 Waterproof】This watch has passed IP68 waterproof and dustproof certification. Whether you are exercising, taking a shower, or getting wet, you don't have to worry.
  • 【Great Gift Idea】It is the perfect gift choice for family and friends - stylish and practical design with comprehensive intelligent functions, suitable for daily wear/exercise/office use, and a thoughtful gift for birthdays and holidays.
info:
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Specifications

Brand

HOIFA

Battery life

120 hr

Compatible OS

Android, iOS

Mobile OS

iOS, Android

Warranty

Warranty information

1-year warranty guarantee, unconditional refund or resend in case of any quality issues, 24-hour quick response.

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Customer ratings & reviews

4.2 out of 5 stars
stars
25 ratings13 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars72% (18)
  2. 4 stars8% (2)
  3. 3 stars0% (0)
  4. 2 stars12% (3)
  5. 1 star8% (2)

Reviews summary

Pros

  • : Allows making and receiving calls with notifications.
  • : Allows for prompt text notifications.
  • : Displayed at a glance on the touchscreen.
  • : Setup process is easy to follow and complete.

Cons

  • : Connection drops frequently, requiring reconnection.
Generated by AI
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 13 reviews

Jun 14, 2026
Reviewer name: anonymous
Top Reviewer
Item details
Color: Black
Sold byHOIFA.USDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

looks very sharp 😁👍🏼⌚

I purchased this for my Husband, and he has been exceptionally pleased with it. He wears it consistently whenever he leaves the house. The setup process was straightforward and user-friendly. He particularly values the ability to monitor his heart rate and blood pressure directly from his wrist. Additionally, the call and text notifications are highly convenient, saving him from having to check his phone constantly. It is both highly functional and visually appealing.

Incentivized Review
Helpful?6WQLBITXPB5T19896850431
Jun 10, 2026
Reviewer name: BaoYi
Item details
Color: Pink
Sold byHOIFA.USDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Nice Smartwatch

I've been using this smartwatch for about two months and it's been working great. The battery life is good, the screen is clear, and I like receiving calls and notifications on my wrist. It's comfortable to wear and has been a great everyday watch.

Helpful?6WQLBITXPB5T19896850431
Jun 4, 2026
Reviewer name: Susan
Top Reviewer
Walmart Associate
Item details
Color: Pink
Sold byHOIFA.USDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

pretty smart

I gifted it to my ex sister-in-law whom we remain friends afterwards I finally got her to put it on and everything she loves it! she said she can make phone calls she can check her blood pressure she can answer the phone she can text and she's getting ready to go to Cancun in 2 weeks and she loves it and it's attractive

Incentivized Review
Helpful?6WQLBITXPB5T19896850431
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