• Theoretically, Bluetooth technology has a maximum range of 33 feet, although if there are obstacles you can expect sound quality to drop after 20 feet.

• Most Bluetooth devices have mono (not stereo) sound.
• The best hands free headphones have more than 1 microphone and offer higher noise cancellation performance
• If you do not like the hassle of charging your Bluetooth headset, opt for the larger units because they usually have longer battery life.

Finally, the best wireless earpiece generally has an expected life span of about 3 years with proper care. Draining the batteries will shorten the batteries’ life.