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Fitbit Alta HR vs Fitbit Charge 2

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Fitbit

Alta HR

 

Fitbit

Charge 2

 

General

Bracelet
Bracelet Thickness
12.3 mm
12.7 mm
Bracelet Width
15 mm
21.45 mm
Clips

Image

Display

Dimensions

Colour of product
Black, Blue, Grey, Orange, Pink, Purple, Red, Turquoise
Black, Blue, Green, Grey, Pink, Purple, Silver, Turquoise
Weight
25 g
35 g

Features

Water resistant
Fully Waterproof
IP code (level of dust/water resistance)
IP67
IP34
Heart rate monitor
Caller ID
Calorie counter
Distance meter
Pedometer
Sleep reading
Touchscreen
Vibration alarm
Watch

Connectivity

Bluetooth
Bluetooth version
4.0
4.0
GPS
NFC

Compatibility

Compatible devices
Android, iPad, iPhone, iPod, Windows Phone
Android, iPad, iPhone, iPod, Windows Phone

Power

Battery life
7 day
5 day
Battery type
Li-polymer
Li-polymer
Charging via USB