Over the years, living and working in Hong Kong and China, I have run across my fair share of "knockoff" products. These range from Rolex watches for $20, to DVD's for $3, to expensive computer software for $10. Seems that it's a fact types of earpiece life in China these days that the cheap knockoffs are ever-present, and not going away anytime soon despite efforts to curtail the practice. I guess so long as there are willing buyers, there will always be people willing to make a quick buck by making a cheap copy.
Factors you want to consider for selecting a communication equipment include the operation range, turn on time, battery life, sound quality, and comfort. If you are the type who likes to leave the cell phone on your desk and walk around your office, then make sure you get a device that has a decent range. For instance, the popular Jabra BT250v has a range of 30 feet.
If you've got a little extra cash, I definitely advise checking these out - but get them soon! Kyocera has discontinued them and looks to no longer be selling any A2DP headsets, only standard bluetooth. You'll have a hard time finding any used, I think, because honestly I haven't seen a single types of earpiece on that market that can replace them. I managed to track some down however, and you can find them right here on eBay starting at ~$58 from what seems to be a reputable US based seller and is a good price for an A2DP stereo headset.
Ear clip earphones can be ideal for athletes or other individuals are in a constant state of movement and fear that their earphones may loosen from their ears. Similarly individuals like students or radio earpiece work commuters may find them to be indispensable while traveling to their destinations. They can come in handy when riding a plane, subway, train or when the wearer has to be in a crowded area that threatens swift motion and accidental bodily contact. In-line volume control also makes it possible to control the volume of personal devices without having to handle the main device.
Act like they know everything - No one can possibly know everything. Your prospects know you don't know everything and they expect some honesty. So when you don't know the answer, simply be honest with your prospect and tell them you don't, but will get them an answer quickly.
All characters are displayed well on the screen of the handset. The screen is 2.0" long with 262K TFT display. Sony Erickson S312 is designed well in terms of design and technology for the user.