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  • BUY

    Available to buy exclusively at



    All-Day Activity Tracking, Heart Rate Monitor, 9 Sports Modes,  Health & Fitness Goals, Connected GPS, Sleep Tracking, Alarm Clocks, Reminders to Move, Call & Message Alerts, Waterproof, 5+ Day Battery, Find Phone, Stopwatch/Timer, Guided Breathing, Music App Control, USB Charging, Colour Screen, 4 Clock Faces.




    All-day Activity Tracking
    Automatically track steps, distance, calories burned and active minutes. Set daily exercise goals and your watch will flash and vibrate in celebration when you reach them. Analyse your stats in greater detail using the VeryFitPro App


    Multi-Sport Tracking
    Track your workouts with a choice of 9 modes for activities like running, cycling or weights and see real-time stats on your wrist. Sync to the app and see post-workout stats in even more detail. 


    Connected GPS
    Connect to your phone's GPS to see stats like pace and distance, and a map of your route post-workout in the app (available for walking, running, hiking and cycling modes only). 

    Heart Rate Monitor
    Get continuous, automatic tracking of your heart rate throughout the day and night to help you better understand your health and fitness.

    Sleep Tracking
    Automatically track sleep quality during the night and see your time in light and deep sleep stages.


    Have your watch wake you peacefully with a gentle vibration.


    Keep focused and have your watch remind you to do important tasks (up to 10 alarms can be set per day).


    Sedentary Reminder

    Stay motivated to move with a friendly reminder if you're inactive for too long.

    Call & Message Alerts
    See notifications on your wrist for incoming calls, text messages, WhatsApp, Facebook, Instagram, Twitter and more. Reject incoming calls at the touch of a button.


    Bluetooth Music Control
    Play, Pause and Skip tunes from your favourite music app using just your Delvfire Sirius! Perfect for controlling your music whilst you're on the move.


    Guided Breathing 
    Guided deep breathing featured on the Delvfire Sirius has been shown to lower blood pressure, reduce stress, and lessen anxiety.


    Find Phone
    Trigger an alarm on your phone from your watch to help you quickly locate it.


    Perfect for timing distances or setting a count down to see how far you can push yourself in a given time.



    Waterproof up to 50 metres making this watch ideal for swimming.


    Long Battery Life
    Battery life up to 7 days so you can track all day and night without needing to charge. 


    USB Charging

    Simply attach the included charging cable to the watch and plug into a USB socket on any computer, phone/tablet charger or power bank. Fully charged and ready to track in around 1 hour.


    Wrist Sense
    Flick your wrist to automatically turn on your watches screen for quick glance of the time, your stats or notifications


    Touch sensitive OLED screen for quick access to your stats and notifications


    Wristbands are available in a range of striking colours to suit your mood or style.


    £39.99 Regular Price
    £26.99Sale Price

      • Time, date & day (12hr / 24hr format)
      • Step pedometer
      • Calories burned
      • Distance (Miles / Kilometres)
      • Active minutes
      • Daily activity journal
      • Health & fitness goals and celebrations
      • Heart rate (real-time, resting, average and maximum)
      • Custom heart rate zones
      • Sport tracking (cycling, climbing, exercise bike, gym/fitness, hiking, running, treadmill, walking, yoga)
      • Connected GPS (pace and distance with map of your route post-workout)
      • Activity, sleep and heart rate history (day, week, month, year)
      • Sleep quality tracking (light, deep, awake)
      • Alarms (up to 10 per day)
      • Caller alerts (Name/Number)
      • SMS text message alerts (name/number and message)
      • App message alerts (Email, Calendar, Facebook, Twitter, WhatsApp, Skype, Instagram, LinkedIn, Line, Viber, KakaoTalk, VKontakte, WeChat, QQ)
      • Share Stats (Email, Facebook, Twitter, WhatsApp, Instagram, LinkedIn, Flickr, WeChat, Moments, QQ)
      • Music app control (play, pause, previous, next)
      • Guided breathing (1 minute, 2 minute routines)
      • Stopwatch (mm:ss:ms)
      • Timer (mm:ss)
      • Find phone (sound audio alarm on phone from watch)
      • Reminders to move 
      • Night mode (mute notifications)
      • Wrist sense (rotate wrist to turn on screen)
      • 4 watch faces
      • Apple Health integration (steps and heart rate)
      • Google Fit integration (steps and heart rate)

      A smartphone or tablet is required to setup all Delvfire watches.



      • iPhone 4s or above
      • iPad 3 or above
      • iPad Mini 1 or above
      • iPad Air 1 or above
      • iPad Pro 1 or above
      • iPod Touch 5 or above
      • Running iOS 7.1 or above



      • Android Phone/Tablet 
      • Android 4.5 or above
      • Bluetooth 4.0 or above


      • Windows (all variants)
      • Amazon Kindle (all variants)
      • Amazon Fire (all variants)
      • Samsung J1, 2, 3, 4, 5, 6, 7, 8 etc.

      Model: Sirius
      App: VeryFitPro
      Bluetooth Range: 7 metres
      Battery: ~7 days, ~15 days in standby mode
      Charge time: ~1 hour
      Charge method: USB
      Water Resistance: 50 Metres
      Screen: 24mm x 24mm, OLED, touch sensitive
      Device body size: 42mm H x 36mm W x 12mm
      Weight: 35g
      Strap Material: Silicone
      Wrist Size: 140mm – 210mm


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