10 Best Waterproof Activity Tracker of December 2025

• Overtake your expectations: featuring a 1. 3-Inch large touch screen that allows you to understand your health more intuitively by displaying your sports data vividly and in a way that is easy to understand. Meets IP68 water Standard requirements, this Letsfit smartwatch also lets you avoid any troubles when swimming or working out in the rating.
• Protect & monitor your health: Our Letsfit activity watch includes a bunch of new features, including: music control, even Stress training. Making it more than just a health tracker.
• Affordable & Functional: Like most traditional health trackers, Letsfit Smart Tracker can monitor your steps, calories burned, sport mileage, and sleep quality status 24 hours a day whilst syncing with our VeryFitPro app. Your device can also enjoy up to 10 days of battery life per full charge.
• Call & message notifications: Receive and read SMS messages and SNS notifications straight to your device (including Facebook, twitter, WhatsApp, LinkedIn and Instagram). you can even hang up incoming phone calls straight from your wrist.
• Smart Watch compatibility："VeryFitPro" requires Android OS 4. 0 or iOS 8. 0 and above or Bluetooth 4. 0 and above, suitable for smartphones only.

Letsfit

• Smart Function: Fitness tracker,24 hour continuous Heart rate and Blood pressure monitor,Sleep monitor,Calorie counter,Step counter,Bluetooth Phone call reminder,Caller's name display,Caller ID display,Reject answer the phone,Call & SMS message notification,Health tracker,Sedentary reminder,Wechat Sports,Remote Camera,Alarm,Countdown,Stopwatch.
• Activity Tracker with 11 Sport Modes: Accurately record all-day activities like steps,distance,calories burned,active minutes.Connect with mobile's GPS,you can check your real-time route in the App.
• IP68 Swimproof: IP68 waterproof index of the tracker helps you care free while surfing,running in the rain,swim or shower in not-hot water.
• Longer Battery Life: Built in USB Charge(no cable needed).Full charge requires only about 1 hour and the working time can be about 5-7 days.
• Easy Connect: APP "H Band" supports android 4.4/iOS 8.0 or above phones(not for table),please connect via the app not bluetooth.

Mgaolo

• Heart Rate and Sleep Monitor: Automatically track real-time heart rate and your sleep duration and consistency. With built-in advanced Nordic nRF52840 chip (minimum size, lowest power consumption, highest integration), monitored data is more accurate.
• Better Visual Experience: Full-screen touch, 1.3-inch LCD display, 2.5D high-hardness glass screen cover, precision lamination process bring a better display. Nano TPU strap, anti-sweat matte finish, ergonomic convex design and soft strap for a comfortable fit.
• Multi-function Smart Watch: Accurately record all-day activities, such as steps, distance, burning calories, walking mileage, activity minutes, sleep status, etc. The watch has 9 built-in sports modes (walking, running, hiking, cycling, treadmill, fitness, hiking, spinning, yoga).
• Fast and Convenient Charging: Innovative magnetic charging (with USB charging cable + charging pin), you can switch to charging mode in 1 second, 210mAh large battery only needs 2.5 hours to charge for more than 10 days. Standby time is 30 days.
• More Functions: User-friendly features make it your life assistant. Message&call reminder, music control, breathing training, stopwatch, alarm clock, multi-dial setting, two-way anti-lost. Compatible with iOS 8.0, Android 4.4 and above.

Lintelek

• 【Latest Heart Health Monitor】We have added an advanced infrared chip on the watch, which increases the accuracy of your heart rate, blood pressure, HRV, and other monitoring data by 50%. And just press your finger on the sensor of the smart watch to recording the heartbeat, you can get a comprehensive heart health report immediately.
• 【Combined Sleep Monitor with SpO2 Monitor】Know your sleep more by this health tracking watch, and get personal sleep optimization suggestions. More important is the fitness tracker combines auto-blood oxygen monitoring with sleep, Detailed report and low SpO2 wake function will help you prevent unconscious apnea (OSAHS), avoid appearing drowsiness, dry mouth, headache, and irritability during the day.
• 【Smarter Activity Tracking】 Achieve Your Fitness Goals now! Activity tracking will accurately track your steps, walking distance, calories burned, activity time all day. The heart rate monitoring, which is carried out every minute, will quickly feedback your exercise intensity so that you can make timely adjustments.
• 【Brightness Adjustment Screen】Bigger and brighter HD screen of this fitness watch ensure you reading clear despite in the sun. And you can freely adjust your screen brightness and duration. With IP68 waterproof capacity, you’re free to wear it for washing hands, take a shower, and some water sports
• 【Upgraded Reminder and Compatibility】We upgraded the reminder function, now you can control the phone through the watch to answer or reject the call, reading the entire message, without having to take the phone out of your pocket. Android 4.4 or higher, IOS 9.0 or higher smartphone compatible, cordless USB charging mode. Have SIKADEER fitness tracker, have a smart life.

SIKADEER

• ♥【Accurate Fitness Tracker Watch】- YAMAY watch will accurately track your all-day steps,calories consumption,distance traveled,heart rate.It also supports extra 7 sports modes to help you track your other exercise patterns,and will connect to smartphone's GPS to draw the route map in the related app.
• ♥【 Smart Watches for iPhone Android Phones】- This watch is compatible with most iOS 8.0 & Android 4.4 above smartphones(not for pc or tablet).You can get call, text, calendar,email and messages alerts and read them diredctly on the watch.This watch can fit for 6.5 - 9.5 inch wrist(perimeter), suitable for men women and kids.
• ♥【 Sleep Tracker with More Practical Tools】- This fitness watch will auto detect and track your sleep,and analyze your sleep quality.You can easily check the data in the verfitpro app.This watch also has many pratical tools,like alarm clocks,music controller,deep breath guide,sedentary reminder,stopwatch,timer.
• ♥【 7+ Days Battery & Swimming Waterproof】- Compared with traditional watches,YAMAY digital watch enhanced the battery life a lot.With one single full charge,it can work 7-10 days.This watch also has IP68 waterproof standard,you can wear it with no worries when washing hands or swimming
• ♥【 Stay Active and Stay Healthy】- This tracker watch has accurate readings,practical tools,stylish looks,light-weight and comfortable wearing on the wrist,and with affordable price,being a very good gift for friends and family members to help them Stay Active and Stay Healthy

YAMAY

• All-Day HR monitor with health Evaluation: All-day intelligent HR tracing by advanced PPG sensor for your activities & training, help you training more effeciently and safely. Just press and hold the touch button on the watch to get real-time heart monitor and check the detail reports and video on the supporting app. Basing on your resting HR, it offers HRV report to provide you a overall evaluation of your heart health.
• Scientific Sleep Tracking with Apnea notification: Set it on the supporting app,the watch can automatically track SpO2 level from every 00:00- 7:00 along with low O2 reminding by soft vibration if apnea detected. Sleep quality monitor is not only for the night but also for the daytime, let you get more insights into your sleep quality so that to help you understand and improve it. Basing on the resting HR when you are in sleep, it offers HRV and heart health report as well.
• Blood Oxygen SpO2 & BP tracking: Equipped with advanced sensor, you can test it from the watch continuously to get the real-time blood oxygen rate, it provides automatical SpO2 detecting when you are in sleep.
• Smart Function: Calorie counter,Step counter,Bluetooth Phone call reminder,Caller's name display,Caller ID display,Reject answer the phone,Call & SMS message notification,Health tracker,Sedentary reminder,Wechat Sports,Remote Camera,Alarm,Countdown,Stopwatch. Screen brightness and duration can be adjusted.
• Easy Connect: APP "H Band" supports android 4.4/iOS 8.0 or above phones(not for table),please connect via the app not bluetooth.

Mgaolo

• 【Healthier Lifestyle】 Y1 Smart fitness tracker accurately record your daily activity, track walking distance, calories burned, monitor your heart rate with comprehensive analysis. Takes only 2 hours to fully charge and lasts up to 5 days standby.
• 【Multifunctional Tracker】 Everything you need in a tiny tracker, heart rate monitor, step counter, stopwatch, reminder, calories counter, sleep monitor, supports multiple sports modes: walk, run, hiking, cycling.
• 【Match Your Style Code】Multiple band color selections with adjustable anti-lost straps, suitable for wrists from 4. 7 to 7. 8 inches. The easy-to-read bright and colorful LCD display fits your style code in every season.
• 【Wider Compatibility】(Require: iOS 7. 0 & Android 5. 0 above) Supports a wide selection of Android and iOS mobile devices, install the App “JYouPro” in your phone and pair the device from it. Check your personal health data from the App.
• 【Bright Colored】 Display 0.96-inch TFT technology, Updated high definition, more thoughtfulness and polish, let the bracelet health and fashion coexist.

Akuti

• Better measure calorie burn, understand resting heart rate & more with 24/7 heart rate tracking and a battery life of up to 7 days (varies with use and other factors); charge time (0 to100 percent) 2 hours
• Choose from 15 plus exercise modes like run, bike, swim, yoga, circuit training and more, set a goal, and get real time stats during your workouts to see how you can keep getting better
• Automatically record time spent in light, deep and REM sleep stages, see Activity trends, healthy insights, and personalized guidance in one place with Fitbit today. Operating temperature is -10° to 45° Celsius
• Swim proof and water resistant to 50 meters, so you can track swims and wear in the shower; we do not recommend wearing charge 3 in a hot tub or sauna; also connect to Smartphone GPS for real time pace and distance during outdoor runs and rides
• Stay connected to your day with everyday apps for weather and more and get called, text and smartphone app notifications on your wrist; small wristband fits a wrist between 5.5 to 7.1 inches; large wrist band fits a wrist between 7.1 to 8.7 inches
• Radio transceiver: Bluetooth 4.0. Syncing range up to 6 meters

Fitbit

• Heart Rate & Sleep Monitoring: Tracks real-time heart rate automatically & continuously and automatically tracks your sleep duration & consistency with comprehensive analysis of sleep quality data, helping you adjust yourself for a healthier lifestyle
• All-day Activity Tracking: Accurately record all-day activities like steps, distance, calories burned, active minutes and sleep status
• Multi-Sport Modes & Connected GPS: 14 exercise modes help you better understand specific activity data; Connect the GPS on your cellphone can show run stats like pace and distance and record a map of your workout route
• See Calls & Messages on Your Wrist: Receive call, calendar, SMS and SNS (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter) notifications on display; never miss the messages that matter
• Built-in USB Plug: Easy to charge with any USB block and computer; no charging cable and dock needed; one single charge gives you up to 7 days of working time

LETSCOM

• Decorative Pattern Starps: The slim and adjustable design of the fitness tracker wristband makes it suitable for teens,women,adults with small wrists;Made of flexible,durable TPU material,DO NOT contain any harmful substance.Bring you a comfortable experience when you wear it.
• Smart Function: 24 hour continuous Heart rate and Blood pressure monitor,Sleep monitor,Step and Calorie counter,Bluetooth Phone call reminder,Caller's name display,Reject answer the phone,Call & SMS message notification,Sedentary reminder,Remote Camera,Alarm,Countdown,Stopwatch.
• Activity Tracker with 11 Sport Modes: Accurately record all-day activities like steps,distance,calories burned,active minutes and sleep status.Connect with mobile's GPS,you can check your real-time route in the App;11 Modes Activity Tracker:Swimming,Outdoor(Cycle,Run,Walk),Indoor(Run,Walk),Stationary Bike,Elliptical,Hiking,Stair Stepper,Rowing Machine.
• IP68 Swimproof: IP68 waterproof index of the tracker helps you care free while swimming, diving or taking a shower. It only needs to be taken off before a hot bath.
• Longer Battery Life & Compatibility: Built in USB Charge(no cable needed).Full charge requires only about 1 hour and the working time can be 5-7 days.App supports smart phones with Bluetooth 4.0 or above(not for tablet).Support system:iPhone (not for iPad) iOS 8.0 above,Android 4.4 above.

Mgaolo