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Build an ear piece in soft-solid silicone with a DSP-chip and a radiochip communicating at least at 10 metres with an external module connected to the interface of a communicating device or WLAN, then you have the smallest headset in the world with a weight a 3 g, a talk time at 10 hours not using Bluetooth
and a price at $250.
Compare with a digital hearing aid, which has a price at $2500 and headsets which the smallest has a weight at 9 g and a talk time at 3.5 hours and a range at 10 metres. All risks for radiation is gone away and people with a hearing can hear and communicate and also listen to MP3. It is possible to use a combination of air conduction and bone conduction to give this some interesting features.
That's all Peter S.
The weight of the battery is 0.83 g and the weight of the rest is about 2.17 g = 3 g. The lightest headset today has a weight at 9.0 g and is sitting on the ear and is rather big.
The price is low, because the costs for the standard components are low and of course it's a question of volume. The estimation is 200 000 units for the first year. The highest costs are connected to software programming of the DSP and radio chip.
||How did you arrive at the price point? I mean, aside from walking, driving...
||3 grams plus batteries, I take it? And what DSP weighs 1 or 2 grams? Please specify and cost your parts in more detail.