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KapNav
Headset Specification
Status:
Document:
Version:
Review committee
In progress
55 SPE URBAN 317
004
ADP/LDL
Change history:
Version Date Editor Change history
0.1 EDE Creation
0.2 MCA Update
0.3 19/12/07
1 07/08/08
2 04/05/08
3 06/06/08
4 6/8/2008
Table 1: Change history
It is strictly forbidden to distribute, use, or copy the document or its content without permission of the documents
owner. Any abuse will be followed by the legal rights consequences. All rights remain by the owner
LDE Update
LDE Update
LDE Update wire length
ADP Remove appendixes
ADP Add pictures
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Contents
Headset Specification..................................................................................................................1
Change history:...........................................................................................................................1
1 Overview..............................................................................................................................3
2 Mechanical overview............................................................................................................3
3 Cosmetics requirements.......................................................................................................3
3.1 Design............................................................................................................................3
3.2 Colours...........................................................................................................................4
3.3 Ergonomic ......................................................................................................................4
4 Earphones requirements ......................................................................................................4
4.1 Electrical characteristics..................................................................................................4
4.2 Mechanical casing .................................................................Erreur ! Signet non défini.
5 Microphone and switch button requirement...........................................................................4
5.1 General ..........................................................................................................................4
5.2 Microphone electrical requirements.................................................................................4
5.3 Switch Button..................................................................................................................5
6 Connector ............................................................................................................................5
6.1 General requirements .....................................................................................................5
7 Electrical schematic and Pins allocations..............................................................................5
8 Other requirements ..............................................................................................................6
8.1 Temperature withstand ...................................................................................................6
8.2 ESD withstand................................................................................................................6
8.3 Dust and Rain withstand .................................................................................................6
8.4 Warranty and certification ...............................................................................................6
9 Packaging............................................................................................................................6
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1 Overview
The aim of this document is to describe the specification of the Kapnav audio Headset.
Because this product is dedicated to high end features (MP3 player, Speech recognition), the
quality has to be particularly well-developed.
Pieces that make up this headset are:
• Connector
• Stereo Earphones
• Microphone
• Command button
• Wires
• Packaging
2 Mechanical overview
The following drawing describes all components positioning and overall product size.
270 mm
Stereo
Earphones
Right Angled
2.5 mm Jack
Weight : < 15g
800 mm
Single wire
insulation
270 mm
Microphone
+
Command
3 Cosmetics requirements
3.1 Design
Earphones have to be earbud – no in-earphones is preferred anymore.
Small microphone.
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3.2 Colours
The product will be available in 1 colour (Jack, microphone casing earphones casing and wires
has to have similar colour aspect)
• White
• Marking in GREY PANTONE: 877C
3.3 Ergonomic
The earphone will be used on outdoor environment (Urban, motorcycle, bicycle) in normal and
extreme condition (ie. Mountain bike). The ergonomic of the Earphones will be designed to be
reliable and easy to use.
4 Earphones requirements
4.1 Electrical characteristics
Earphones will fulfil the following specification:
• Impedance : 32 Ω
• Frequency response : 18 Hz to 20 000 Hz
• Distortion : < 1%
• Nominal Power : 5 mW
• Sound Pressure level (SPL) : 110 dB max.
• Frequency response : ± 20dB from 30Hz to 20KHz
•
5 Microphone and switch button requirement
5.1 General
The headset will be equipped with a common casing for microphone and a switch button.
5.2 Microphone electrical requirements
Earphones will fulfil the following specification:
• Type : Omni directional
• Bandwidth at ± 3 dB : 250 Hz to 7000 Hz
• Sensibility at ± 3 dB : -42 dB
• Output impedance : 2.2 K Ω
• Filter : 10 pF & 33 pF (to avoid RF inter-modulation)
• Standard operating voltage : 2V
• Signal noise ration (Min) : 54dB
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5.3 Switch Button
The switch button shall withstand to 500 000 pressures on the keys (8 to 10 N).
6 Connector
6.1 General requirements
• Type : Standard Jack Ø 2.5 mm – Right angled
• Number of pins : 4
• Termination finishing : Gold
• Maximum contact Resistance : 100 mΩ
• Isolation between adjacent pins : 500 V for 1 sec.
• Life type : 5000 cycles of insertion and withdrawal
7 Electrical schematic and Pins allocations
Separated GND
GND connection inside the Jack connector as
short as possible
: GND
: Micro
: Left Speaker
: Right speaker
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8 Other requirements
8.1 Temperature withstand
• Operational : - 10°C / +55°C
• Storage : -20°C / +60°C
8.2 ESD withstand
• Metallic parts : ± 4 kV
• Plastic parts : ± 10 kV
8.3 Dust and Rain withstand
Microphone and earphone casing shall withstand IP64 standard at minimum.
8.4 Warranty and certification
• Warranty : 1 year
• Flammability class : UL 94 V-0
• Certification : CE marking (for European market).- 93/68/CEE
• Rohs : Compliant
• Recyclable : Yes
• PPM target : < 100
9 Packaging
The headset is packaged in a plastic bag; the wire will be winded and strapped.
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PICTURES SAMPLES EXAMPLES
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