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Pebble Watch Steel 401S / 401SS Full Device Specifications

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Released Date: 2014 Jan 28

Display Dimension: 144x168 pixels

RAM Size: 0.125 MiB RAM, 0.03 MiB user accessible RAM

Processor (CPU): STMicroelectronics STM32F205RE

Battery Capacity: 130 mAh battery

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4.5/5

Total average ratings from 2 different users

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Introduction

Brand

Pebble

Model

Watch Steel 401S / 401SS

Released

2014 Jan 28

Hardware Designer

Pebble Technology

Manufacturer

Foxlink

OEM ID

PEBBLE-WATCH2

Device Category

Smartwatch

List of Additional Features

Apple iOS support, Google Android 2.3+ support, anti-fingerprint screen coat,

Physical Attributes

Width

34.1 mm, 1.34 inch

Height

46 mm, 1.81 inch

Depth

10.3 mm, 0.41 inches

Bounding Volume

16.2 ccm

Mass

99 g, 3.49 ounces

Software Environment

Platform

Yes

Operating System

Real Time Engineers FreeRTOS

Application processor, Chipset

CPU

STMicroelectronics STM32F205RE, 2009, 32 bit, single-core

Operative Memory

RAM Type

Static RAM

RAM Capacity

0.125 MiB RAM, 0.03 MiB user accessible RAM

Non-volatile Memory

Non-volatile Memory Type

Flash EEPROM

Non-volatile Memory Interface

Yes

Non-volatile Memory Capacity

0.5 MiB non-volatile

Secondary Non-volatile Memory Type

Flash EEPROM

Secondary Non-volatile Memory Capacity

8 MiB sec. ROM

Display

Display Diagonal

32 mm, 1.3 inch

Resolution

144x168, 24192 pixels

Display Width

20.83 mm, 0.82 inch

Display Height

24.3 mm, 0.96 inch

Horizontal Full Bezel Width

13.27 mm

Display Area

506 square millimeter

Display Area Utilization

32.3%

Pixel Size

0.14462 mm/pixel

Pixel Density

176 PPI

Display Type

monochrome E Ink display

Display Color Depth

2 bit/pixel

Number of Display Scales

Display Illumination

LED

Display Light Reflection Mode

reflective

Scratch Resistant Screen

Corning Gorilla Glass

Display Module

Sharp LS013B7DH01

Graphical Subsystem

Graphical Controller

N/A

Audio/Video Interfaces

A/V Out

Audio Subsystem

Audio Channel(s)

Sound Recording

Microphone(s)

Sound Playing

Loudspeaker(s)

Audio Output

Cellular Phone

Supported Cellular Bands

Complementary Phone Services

Vibrating Alert

Secondary Cellular Phone

Sec. Supported Cellular Networks

Communication Interfaces

Expansion Interfaces

USB

No, No

USB Connector

Bluetooth

Bluetooth 4.0, Internal antenna

Wireless LAN

Multimedia Broadcast

FM Radio Receiver

Satellite Navigation

Supported GPS protocol(s)

Primary Camera System

Camera Image Sensor

Focus

Flash

Auxiliary Camera

Aux. Camera Image Sensor

Auxiliary Camera No. 2

Aux. 2 Camera Image Sensor

Auxiliary Camera No. 3

Aux. 3 Camera Image Sensor

Auxiliary Camera No. 4

Aux. 4 Camera Image Sensor

Aux. 4 Camera Focus

Secondary Camera System

Secondary Camera Sensor

Secondary Auxiliary Camera

Sec. Aux. Cam. Image Sensor

Secondary Auxiliary Camera No. 2

Sec. Aux. 2 Cam. Image Sensor

Built-in Sensors

Built-in compass

3D (3-axis) compass

Built-in accelerometer

3D (3-axis) accelerometer

Additional sensors

Light intensity sensor

Ingress Protection

Protection from solid materials

Non-standard protection

Protection from liquids

Non-standard protection

Immersion into liquids (depth limit)

5000 cm

Power Supply

Battery

Lithium-ion polymer (LiPo), built-in, 1-cell

Nominal Cell Capacity (1st cell)

130 mAh cell

Nominal Battery Capacity

130 mAh battery

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