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Devices
Bro Rated
Watch Steel 401S / 401SS

Watch Steel 401S / 401SS

from Pebble
Bro
1
Rated
view all Smartwatches

Overview & Features

Brand
Pebble
Model
Watch Steel 401S / 401SS
OEM ID
PEBBLE-WATCH2
Released
2014 Jan 28
Manufacturer
Foxlink
Hardware Designer
Pebble Technology
List of Additional Features
Apple iOS support, Google Android 2.3+ support, anti-fingerprint screen coat,

Technical Specifications

Display

Pixel Size
0.14462 mm/pixel
Resolution
144x168
24192 pixels
Display Area
506 square millimeter
Display Type
monochrome E Ink
display
Display Width
20.83 mm
Pixel Density
176 PPI
Display Height
24.3 mm
Display Module
Sharp LS013B7DH01
Display Diagonal
32 mm
Display Color Depth
2 bit/pixel
Display Illumination
LED
Display Area Utilization
32.3%
Number of Display Scales
4
Scratch Resistant Screen
Corning Gorilla Glass
Horizontal Full Bezel Width
13.27 mm
Display Light Reflection Mode
reflective

Power Supply

Battery
Lithium-ion polymer (LiPo)
built-in
1-cell
Nominal Battery Capacity
130 mAh battery
Nominal Cell Capacity (1st cell)
130 mAh cell

Sound Playing

Audio Output
No
Loudspeaker(s)
No

Cellular Phone

Supported Cellular Bands
No
Complementary Phone Services
Vibrating Alert

Audio Subsystem

Audio Channel(s)
No

Sound Recording

Microphone(s)
No

Auxiliary Camera

Aux. Camera Image Sensor
No

Built-in Sensors

Built-in compass
3D (3-axis)
compass
Additional sensors
Light intensity sensor
Built-in accelerometer
3D (3-axis)
accelerometer

Operative Memory

RAM Type
Static RAM
RAM Capacity
0.125 MiB RAM
0.03 MiB user accessible RAM

Ingress Protection

Protection from liquids
Non-standard protection
Protection from solid materials
Non-standard protection
Immersion into liquids (depth limit)
5000 cm

Graphical Subsystem

Graphical Controller
N/A

Non-volatile Memory

Non-volatile Memory Type
Flash EEPROM
Non-volatile Memory Capacity
0.5 MiB
Non-volatile Memory Interface
Yes
Secondary Non-volatile Memory Type
Flash EEPROM
Secondary Non-volatile Memory Capacity
8 MiB sec. ROM

Physical Attributes

Mass
99 g
Depth
10.3 mm
Width
34.1 mm
Height
46 mm
Bounding Volume
16.2 ccm

Multimedia Broadcast

FM Radio Receiver
No

Satellite Navigation

Supported GPS protocol(s)
No

Software Environment

Platform
Yes
Operating System
Real Time Engineers FreeRTOS

Audio/Video Interfaces

A/V Out
No

Auxiliary Camera No. 2

Aux. 2 Camera Image Sensor
No

Auxiliary Camera No. 3

Aux. 3 Camera Image Sensor
No

Auxiliary Camera No. 4

Aux. 4 Camera Focus
No
Aux. 4 Camera Image Sensor
No

Primary Camera System

Flash
No
Focus
No
Camera Image Sensor
No

Secondary Camera System

Secondary Camera Sensor
No

Communication Interfaces

USB
No
No
Bluetooth
Bluetooth 4.0
Internal antenna
Wireless LAN
No
USB Connector
No
Expansion Interfaces
No

Secondary Cellular Phone

Sec. Supported Cellular Networks
No

Secondary Auxiliary Camera

Sec. Aux. Cam. Image Sensor
No

Application processor, Chipset

CPU
STMicroelectronics STM32F205RE, 2009, 32 bit, single-core

Secondary Auxiliary Camera No. 2

Sec. Aux. 2 Cam. Image Sensor
No

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