10 Best Activity Monitor of December 2025

• 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

• Task Manager
• Monitor Battery Status, RAM, CPU Usage, Mobile and WiFi data
• App Kill
• Proc Files Reader
• And much more ...

AmazingByte

• ♥【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.The watch's screen is 1.3 inch and the band can fit for 6.5 - 9.5 inch wrist(perimeter), suitable for men women and kids.
• ♥【 Sleep Tracker & 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

• Large Stylish Dial Display: 1. 3-inch TFT-LCD color touch screen features 4 customized displays, making it easier and quicker to view time and date, steps travelled and calories burned, message notifications can also be displayed straight on device screen
• Heart rate monitoring & sleep tracking: The smartwatch can automatically monitor your daily real-time heart rate, and track your sleep quality status to get a better understanding of your health
• All-day Fitness Tracking: Accurately records your activity data such as steps, distance, calories burned and weekly/monthly data, you can see your targets at a glance allowing you to control your rhythm of exercise, making your exercise more effective
• More smart functions: music control, incoming call notifications with the option to long press to hang up, up to 10 alarm clocks, timer functionality, breathing guides, sedentary alerts, wrist sensor, all this plus the option to sync your data with Starve
• Great battery life: This fitness tracker watch built with a 210mAh battery that only takes 2. 5 hours to charge and can be used for up to 10 days with a standby time of 30-45 days. You can adjust the screen brightness according to your needs

LETSCOM

• Stylish and Comfortable: 0.96" screen brings you a great visual experience. Curved screen with four dial plates gives you a stylish look. Lightweight design with soft and skin-friendly bands enables comfortable wearing.
• Intelligent Activity Tracker: The step counter tracks your real-time heart rate, steps, calories burned, distance, active minutes all day and sleep quality at night. It also records exercise data of up to 14 sports such as running, hiking, riding, dancing
• Smart Notifications: Real-time call and message notifications with a gentle vibration, helping you stay in contact with pressing work matters. You can also set silent alarms and sedentary remind to keep you active.
• Built-in USB Plug: The fitness tracker is designed with a built-in USB plug and does not need a charging cable for charging. Gently pull bands of both sides off and insert the built-in USB plug (with metal pins) into a USB charger (smartphone USB charger
• Wide Compatibility: Use the pedometer watch with "VeryFitPro" app, which is compatible with smartphones that have iOS 8.0 or later/Android 4.4 or later system, and Bluetooth 4.0 or later. Download the app from App Store/Google Play or scan the QR code in

Letsfit

• New Whistle models available: Whistle go explore and Whistle go
• Nationwide location tracking: pinpoint your pet’s location with this top-rated SMART GPS activity tracker for your pet anywhere AT&T 3g cellular service is available.
• Proactive alerts: get text, app or email notifications when your pet leaves home.
• Get health insights: monitor your pet’s daily activities and know how your pet measures up for their age, weight and breed.
• Long battery life: lasts up to 7 days! Battery life may vary depending on your pet’s activity, Wi-Fi signal strength and pet’s time spent out of Wi-Fi.
• Durable & waterproof: Built to survive every swim with your pet! Waterproof for up to 3 feet for 30 minutes. Recommended for pets 8 lbs. + and attaches to any collar or harness up to 1'' Wide. Note: the notches on the top and Bottom of the back of the device are part of manufacturing process.
• Subscription & Wi-Fi required: affordable monthly or annual plans cover connection to AT&T nationwide network to track & monitor your pet. No new phone contract required. Wi-fi is also required during the Whistle setup.
• Age Range Description: All Life Stages

Whistle

• ✅ 【Heart Rate & Sleep Monitoring】：Measuring your heart rate on every 1 / 2 / 6 / 12 hour automatically, and you can also set up real-time heart rate tracking or manually tracking once you set it up in the app. Also support automatic sleep monitoring from 6:00pm to second day you get up, it records deep sleep, light sleep, stay up and awake states. Clearly acknowledge your physical fitness status at whole day / week / month.
• ✅ 【30 Days Long Battery Life】：Charge 2 hours, standby 30 days, normal use 15 days. A time full charge gives you 15 days normal use, 30 days working. I think it will greatly save your charging time and improve the efficiency of use.
• ✅ 【Fitness Tracker with 6 Sport Modes】：Switch 6 different sport modes on watch directly. Built-in advanced 3D sensor and pedometer to accurately count your steps, calories burned & distance achieved. Steps: 1. Long press to choose which kind of sport, 2. long press again to enter sport mode, it will count 3, 2 ,1. Then you can start your excerise.
• ✅ 【Call Reminder & 10 Messages Storage】：Not only can check the call, calendar, SMS and SNS (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter) but also can storage 10 messages on this watch. This will be very practical when you are doing workout or work hard and can't focus on your cellphone.
• ✅ 【1.3inch Large Color Screen & APP supported】：New style 1.3inch IPS screen with bigger and thicker words on screen that allows you to read time and data clearly even under the glare, make colors more realistic. This fitness watch app is “FlagFit 2.0”, you can download it in app store or Google play store, then connect it with smartphone by Bluetooth. “FlagFit 2.0” supports most smart phones with Bluetooth 4.0 or above, IOS 8.0 or above, Android 4.4 or above.

L8star

• Heart Rate and Sleep Monitoring: continuously and automatically monitor real-time dynamic heart Rate, you can view the heart Rate Graph, after the exercise is completed. Tracks automatically your sleep duration & comprehensive analyze data.
• All-Day Activity Tracking: accurately record all-day activities like steps, distance, calories burned, active time and sleep status, after the exercise, you can view the sports data report in the app.
• Multi-Sport Modes & Connected GPS: tracks up to 14 exercises like running and riding can meet your needs The whole day. Connect the GPS on your smartphone, It displays your exercise data like pace and distance and record a map of your workout route.
• Intelligent Reminder: vibrates to notify you of incoming calls and messages; reminds you to move after sitting for a long time and important dates.
• Easy Charging: Comes with a built-in USB plug, just take the watch host off the strap and plug the side with metal chip into USB port. The Red light is on when it's Charged. Please rotate the host if the Red light isn't on.

Lintelek

• [ Not just about Your Fitness, Also about You ] Just imagine the Fitness wristband as an electronic finger on the pulse, constantly measuring your vitals, heart pressure, heart rate, quality of sleep, step count and more. And also serves as your personal heath secretary to help you get rid of bad habits for reminding you to move or drink water after a long - time working or gaming. Stay active throughout the day.
• [ Monitor Your Blood Pressure & Your Personal Gym Coach ] Measure blood pressure all the time by adopting the innovative Matter Sensing & Control Technology. Tracks up to 14 exercises like running, riding, basketball, tennis, yoga and dance. Our IP68 Waterproof Fitness Tracker actually tracks running or jogging with accurate metrics about time, distance, calories burned and more.
• [ Clearer Color Screen & 5 Brightness Levels ] Unlike Monochrome ones, this Activity Tracker Watch has a delicate color LCD display with 5 different levels of brightness that enables you to see stats nice and clearly despite of dazzling sun. With its gorgeous design that looks fantastic on your wrist, the tracker watch is perfect for graceful ladies, gentlemen or cool kids.
• [ Easy Charging & Long DurationComes with a built-in USB plug and does not need a charging cable for charging, just gently pull the band off and insert the built-in USB plug into a USB charger to charge. Only 1 to 2 hours charging time shall last you around a week.
• [ IVAN 365/24/7 ] Our expert would answer any questions, problem solved, no need to return to store.

FITFORT

• ❤ Multi-sports Fitness Tracker: This powerful fitness tracker with easy-to-read big colorful OLED screen and high sensitive touch sensor. It accurately record all-day activities, including the steps, calories consumed, and distance walked.
• ❤ Multi-sports Fitness Tracker: This powerful fitness tracker with easy-to-read big colorful OLED screen and high sensitive touch sensor. It accurately record all-day activities, including the steps, calories consumed, and distance walked.
• ❤ Multi-sports Fitness Tracker: This powerful fitness tracker with easy-to-read big colorful OLED screen and high sensitive touch sensor. It accurately record all-day activities, including the steps, calories consumed, and distance walked.
• ❤ Multi-sports Fitness Tracker: This powerful fitness tracker with easy-to-read big colorful OLED screen and high sensitive touch sensor. It accurately record all-day activities, including the steps, calories consumed, and distance walked.
• ❤ Multi-sports Fitness Tracker: This powerful fitness tracker with easy-to-read big colorful OLED screen and high sensitive touch sensor. It accurately record all-day activities, including the steps, calories consumed, and distance walked.

TJBGADIEMS