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Compare Polar Grit X2

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Xiaomi Watch S4 41mm
£ 119,99
4 colours

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Dimensions:44,7 x 44,7 x 12,5 mm40,4 x 42,7 x 8,6 mm41,2 x 41,2 x 9,5 mm46,5 x 46,5 x 10,6 mm
Weight:62 gr30 gr32 gr46 gr
Stand-by time:dependent on usagedependent on usagedependent on usage2 week(s)
Call time:dependent on usagedependent on usagedependent on usagedependent on usage
Announced:4 june 20259 july 202524 september 202516 october 2018

Design type

Watch:

Controls

Directional key:
Touchscreen:CapacitiveMulti-touch, capacitiveCapacitive
Voice command:
Swivel crown:

Display

Colour display:Adjustable display brightness, AMOLED, Always On featureAdjustable display brightness, 16.777.216 colours (24 bits), Circular Super AMOLED, Always On feature16.777.216 colours (24 bits), AMOLED, Always On featureAMOLED
Resolution:416 x 416 pixels438 x 438 pixels466 x 466 pixels454 x 454 pixels
Size:1.28 inch1.34 inch1.32 inch1.39 inch
Aspect ratio:1:11:11:11:1
Pixels Per Inch (PPI):460462499462
Screen-to-body ratio:26.5%33.6%33.1%28.8%
Peak brightness:1500 nits
Refresh rate:60 Hz

Carrying method

Strap:Interchangeable
Size:22 mm
Wrist Size:135-210 mm

Hardware

Integrated antenna:
Processor:Samsung Exynos W1000, Dual CoreARM Cortex M4
Clock Frequency:275 MHz

Materials

Dirt and waterproof:IP68, 5 ATM5 ATM5 ATM
Plastic:
Rugged casing:MIL-STD-810HMIL-STD-810H
Stainless Steel:
Aluminium:
Sapphire Crystal:

Telephony

Vibrating alert:
Integrated handsfree speaker:

Personalisation

Multiple homescreens:
Widgets:

Personal Information
Management (PIM)

Agenda:
Alarm clock:
Date and time notation:
Stopwatch & countdown timer:
Reminder list:
To-do list:

Navigation

A-GPS:
Beidou:
Digital Compass:
Galileo:
GLONASS:
GPS receiver:
Quasi-Zenith (QZSS):

Build-in memory

Internal memory:
Size (RAM):37 MB2 GB16 MB
Storage:32 GB32 GB128 MB

Connections

Pogo pin:
USB:Type-C

Connectivity

Bluetooth:v5.3v5.4v4.2
NFC:
Wireless Lan (WLAN/Wi-Fi):Wi-Fi 4 (802.11n)

Power supply

Battery:Li-polyLi-ionLi-ion
Capacity:310 mAh325 mAh320 mAh420 mAh
Wireless charging:

Sensors

Ambient light sensor:
Barometer:
ECG:
Gesture recognition:
Gyroscope:
Heart rate monitor:
Oxygen saturation (SpO2):
Skin temperature sensor:
Thermometer:
Altimeter:

Operating system

Wear OS:6.0

User interface

One UI Watch:8.0
HyperOS:3

Available applications

Pedometer:
Calories:
Sleep tracker:
Stressmonitor:

Messaging

E-mail:
Instant messaging:
MMS:
SMS:

Compatibility

With Android:From 11.0From 8.04.4+
With iOS:From 14.09.0+

Audio

Built-in speakers:
Microphone:

Contents of the package

Manual:
Oplaadcase:
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