 " Charge 2 Fitness Wristband (Large, Black) "Fitbit (Large FB407SBKL B&H"
 Display OLED Bluetooth Specification Bluetooth 4.0 Bluetooth Range 20.0' (6.1 m) Water Resistance Sweat, rain, and splash proof Memory Tracks 7 days of motion data Saves daily totals for past 30 days Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times Materials Wristband: flexible, durable elastomer material Clasp: surgical-grade stainless steel Battery Type Lithium-ion polymer (LiPo) Battery Life Up to 5 days Charge Time Up to 2 hours Sync Compatability Syncs with Mac OS X 10.6 and up, iPhone 4S and later, iPad 3rd generation and later, Android 4.3 and later, and Windows 10 devices Syncing requires Bluetooth LE and Internet connection. Windows 10 computers that do not have Bluetooth LE will need a wireless sync dongle in order to sync. Operating Temperature 14 to 113°F (-10 to 45°C) Maximum Operating Altitude 30,000' (9,144 m) Size Fits wrists 6.7 - 8.1" (17 - 20.6 cm) in circumference
 "TomTom Runner 2 Cardio GPS & Heart Rate + Music Watch Black - Small Strap"@en Strap · TomTom Run ah"@en
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Over 500 Songs of Music Storage* - Carry over 500 songs without carrying your phone (*Total number of songs may vary depending on size of files.)
24/7 Activity Tracking - Capture your steps, active minutes and calories burnt
Built-in Heart Rate Monitor - Get accurate heart rate information on your wrist
Goal Setting - Challenge yourself to a daily or weekly target. Steps, calories, distance or active time. Set your goal and track your progress
Multisport Mode - Train in run, bike, swim, gym and treadmill modes
GPS Tracking - Track your speed, pace, distance, time and calories burnt
Automatic Sleep Tracking - Know if you're getting the sleep you need
5 Heart Rate Training Zones - Train in 5 different zones to get results faster
Audio Performance Feedback - Push yourself with audio feedback on your performance
Race Mode - Select one of your past performances to race against
Interval Training - Improve speed and fitness with custom work-rest sessions
Indoor Training Mode - Track your performance on the treadmill or in the gym

Sports


Treadmill - Tracks heart rate, speed, pace, distance, calories burnt and duration


Running - Tracks heart rate, speed, pace, distance, calories burnt and duration


Cycling - Tracks heart rate, speed, pace, distance, calories burnt and duration (Cadence - through an optional cadence sensor)


Indoor Cycling - Tracks heart rate, calories burnt and duration (Cadence, speed, pace and distance - through an optional cadence sensor)


Swimming - Tracks laps, distance, speed, duration, calories burnt and strokes


Freestyle - Tracks heart rate, speed, pace, distance, calories burnt and duration


Gym - Tracks duration, heart rate and calories burnt



Activity Tracking


Goals - Steps, active minutes, distance or calories burnt


Activity Measurements - Steps, active minutes, distance, calories burnt and sleep


Views - Daily and weekly
Music

Audio Format - Plays MP3 and AAC formats. Does not play any copyrighted music.


Headphone Support - High quality audio via A2DP and AVRC profiles


Storage - 3 GB




Training


Goals - Time, distance or calories


Intervals -Yes


Laps - Time / Distance / Manual


Race - Past activities, favorites and custom


Zone - Pace, heart rate or speed



Weight and Dimensions


Battery lifetime - Activity tracking: up to 3 weeks, GPS: up to 11 hours, GPS + Heart Rate + Music: up to 5 hours


Display resolution - 144x168


Display size - 22x25 mm


Thickness - 13.7 mm


Weight - 50 g


Wrist Size - 121-175 mm



Sensors


Sensors (internal) - Motion sensor (accelerometer + gyro), compass, optical heart rate monitor


Sensor (wireless) - Bluetooth® Smart


Alerts - Beep & Vibrate



Water Resistance

Waterproofing - 40 m / 130 feet (5 ATM)





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