Headset purchased to replace the identical inadvertently crushed by a car wheel. Qualities: - Its excellent, parasitic effects of the wind properly corrected. - Easy controls once you stored them - Autonomy and low battery warning sounds - Connection radius around the notebook - Call for the corresponding voice in the memory of the mobile, subject to a very distinct pronunciation and sound allows the mobile calls - No discomfort in the ear and ease of transfer from one ear to the other - Discretion - Case for recharging the headset 2 to 3 times without needing the sector - Illegal use non-driving PROVIDED have enabled on the mobile the "automatic answer" option, BUT CAUTION: being on a call at the time of an accident aggravates the possible responsibilities of the driver. Faults: - Do not like car wheels! Compatibility: - Perfect with a Sony Ericsson W995, checking with other models. CONCLUSION: - After more than a year of use of this product, I recommend it without reservation that another potential compatibility problems with some mobile.