Europe came out with the scart plug - the worst connector ever made IMO.
There is already a nice workable mini usb compatible plug used by HTC, which has the other connectors as well for the audio and stuff - that to me is the way to go, but make a higher current part of the standard so that actual chargers can charge at a decent rate vs the 500mA crap that USB offers.
Make sure that the phones are able to negotiate for power when plugged into USB even when totally flat, so that it doesnt end up like a razr where you can charge it till you let it get totally dead, then you have to find a charger.
Ding ding - we have a winner! Yes, a universal charger needs to supply a higher current than the 500mA minimum guaranteed by USB 1 or 2. USB 3 mandates 900mA, so that's a good start.
Only point I'd make is that it's stupid using the same connector for data and audio like HTC have done. Just stick a damned 3.5mm audio jack on for the headset and use the industry standard USB connector for power / data
The X-Fi3 keeps with the company's commitment to audio fidelity, thanks to the apt-X codec, which supposedly offers audio quality similar to a wired connection when streaming. On that front, the device also handles FLAC files.
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Europe came out with the scart plug - the worst connector ever made IMO.
There is already a nice workable mini usb compatible plug used by HTC, which has the other connectors as well for the audio and stuff - that to me is the way to go, but make a higher current part of the standard so that actual chargers can charge at a decent rate vs the 500mA crap that USB offers.
Make sure that the phones are able to negotiate for power when plugged into USB even when totally flat, so that it doesnt end up like a razr where you can charge it till you let it get totally dead, then you have to find a charger.
Ding ding - we have a winner! Yes, a universal charger needs to supply a higher current than the 500mA minimum guaranteed by USB 1 or 2. USB 3 mandates 900mA, so that's a good start.
Only point I'd make is that it's stupid using the same connector for data and audio like HTC have done. Just stick a damned 3.5mm audio jack on for the headset and use the industry standard USB connector for power / data