Withings ScanWatch 2

Works with: iPhone and Android
Display: PMOLED, 0.63 in
Case sizes: 38 / 42 mm
Battery: 35 days
Water resistance: 5 ATM

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Withings ScanWatch 2 at a glance

Battery

Weeks between charges

Up to 35 days in smartwatch mode.
Display

OLED, 0.63 in

0.63 in.
Health

ECG on the wrist

Measures ECG, blood oxygen, skin temperature and HRV.
Phone & smart

iPhone and Android

Notifications from your phone.
Build

5 ATM water rating

2 case sizes. Sapphire lens.

Withings ScanWatch 2 full specifications

Overview

Brand	Withings
Model	ScanWatch 2
Series	ScanWatch
Versions	42mm White & Silver, 42mm Blue & Silver, 42mm Black, 38mm White & Rose Gold, 38mm White & Silver, 38mm Black & Silver, 38mm Blue & Rose Gold

Platform & apps

Works with iPhone and Android phones, running Withings.

Withings+ adds extra insights, but the core features are free.

Operating system	Withings
Works with	iPhone and Android
Subscription	Optional
Subscription name	Withings+

Display

An OLED display.

0.63 in.

Display type	PMOLED
Display name	DeepGray OLED display Gen 3
Screen size	0.63 in
Pixel density	282 ppi
Controls	crown

Design & durability

Comes in 2 case sizes (38, 42 mm).

Rated 5 ATM: fine for swimming laps and showers. A sapphire lens resists scratches.

Case sizes	38 / 42 mm
Case shape	Round
Case material	Stainless steel
Lens	Sapphire crystal glass
Band material	Fluoroelastomer (FKM)
Water resistance	5 ATM

Battery

Weeks between charges: up to 35 days in smartwatch mode.

Real battery life depends on screen brightness, notifications and workouts.

Battery (smartwatch mode)	35 days
All battery modes	Smartwatch: 35 days

Health & sensors

A health-focused watch: it measures ECG, blood oxygen, skin temperature and HRV.

For sleep, it offers sleep stages. It can warn you about an irregular heart rhythm. ECG availability can depend on your country.

Sensors	optical HR, ECG electrode, SpO2, skin temperature
Heart-rate sensor	PPG Sensor Gen 3
Heart-rate tracking	24/7
ECG	Yes
Irregular rhythm alerts	Yes
High/low heart-rate alerts	Yes
Heart-rate variability	Yes
Blood oxygen (SpO2)	Yes
Skin temperature	Yes
Respiration rate	Yes
Sleep tracking	Sleep stages
Readiness score	Readiness Indicator
Cycle tracking	Yes

Training

Auto activity detection	Yes

Smart features

Notifications	Yes

Diving, golf & more

Analog hands	Yes
Secondary display	PMOLED 0.63 in

Specs compiled from Withings's product pages and datasheets. Manufacturers revise hardware between versions, so check the version on the box. Spotted an error? Tell us.