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Table 1 Comparison of features and functions of four wearable devices

From: A comparison of wearable fitness devices

Features Specifications Jawbone Up24 Fitbit Flex Withings Pulse Misfit Shine
Company Details Company Name Jawbone Fitbit Inc. Withings SA Misfit Inc., Apple Inc.
Country San Francisco, California, USA San Francisco, California, USA Issy les Moulineaux, France Burlingame, California, USA
Product Released Released (US) 13-Nov-13 6-May-13 27-Jun-13 16-Sep-14
Announced (US) 13-Nov-13 7-Jan-13 6-Jan-13 16-Sep-14
Present Availability Available Available Available Available
Type Smart watch Watch style Wearable/clip-on Wearable/clip-on Wearable/clip-on
General Price in Market $150 $100 $100 $95
Dimension (W × D × H) 6.1 × 6.1 inch small: 5.5 × 0.6 inch, large: 6.3 × 8.2 inch 1.7 × 0.87 × 0.33 inch 1.08 × 0.13 × 1.08 inch
Weight small: 19 g small: 16.4 g 8 g 9.4 g
large: 23 g large: 18.9 g
Battery Type LiMnO2 225 mAh Lithium polymer battery Lithium-ion polymer CR2032 coin cell
Battery Life 4–6 months 4–6 Months 6 Months 3 Months
Rechargeable Battery Yes Yes Yes No
Changeable Battery No No No Yes
Usable Time per Charge (Advertised) Up to 10 days Up to 14 days Up to 14 days Up to 180 days
Full Charging Time 3 hours 4 hours 2 hours No
Tracking Metric (Functions) Motion Yes Yes Yes Yes
Step Counting Yes Yes Yes Yes
Distance No Yes Yes Yes
Calories Yes Yes Yes No
Sleep Yes Yes Yes Yes
Heart Rate No No Yes No
Fitness Analytics Yes Yes Yes Yes
Wind No No No No
3D Mapping No No No No
Speed No No No No
SpO2 No No No Yes
Goal Tracking No Yes No No
Resistance Function Water Resistance Limited Yes No Yes (up to 30 m)
Synchronization Sync Type Wireless (Bluetooth) Wireless (Bluetooth) Bluetooth Wireless (Bluetooth)
Connection Sensor Network Bluetooth Bluetooth Bluetooth Bluetooth
Screen and Display Screen Type Dual LED 5 LEDs OLED (backlit) 12 LEDs and blink
Touchscreen Capacitive finger Capacitive finger Capacitive finger Capacitive touch
Screen Size (Inch) No (LED bar) No (LED bar) 1.69 No (12 LEDs and blink)
Sensor Type 3-Axis Accelerometer Yes Yes Yes Yes
3-Gyro Sensor No No No No
Magnetometer No No No No
Pressure Sensor No No No No
GPS No No No No
Altimeter No No No No
Alarm Function Yes Yes Yes Yes
Data Sharing Yes Yes Yes Yes
Material Wearable Body Type Rubber Rubber Rubber Anodized aircraft-grade aluminum
Smart-phone Smartphone Operating System iOS 5.1 or greater, Android 4.0 (Ice Cream Sandwich) or later Windows XP/Vista/7/8 Android 2.3.3 or above, iOS Pair to iOS only
Mac OS X 10.5 or above
UI Interface History Tracking (Days) 270 days 30 days 10 days 30 days
Social Network Data Sharing Computer Data Storage (Web App) No Yes Yes Yes
Data Sharing Only friends you already know Yes Yes Yes