Audio Jack 2.5 mm

Ian Stirling openmoko at
Tue Apr 24 15:00:23 CEST 2007

Thomas Seiler wrote:
> Hi
> Am 24.04.2007 um 12:58 schrieb Vladimír Lapáček:
>> so why does Neo 1973 use the 2.5mm one?
> That makes perfectly sense: because the majority of headsets for mobile 
> phones are 2.5mm
> Isn't the questiont ths: Why doesn't it provide *additionally* a 3.5mm 
> jack ? That would be sweet!!!
> (and i suspect it woudln't cost much more)

For a phone, there is more than the $1 or so it'd cost to add it to the 
phone. You've also got mass and volume considerations.

A 3.5mm jack for example is a large fraction of the volume of a small 

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