Bluetooth headset is another important cut-off point of distance, it has nothing to do with the Bluetooth version and PowerClass depending on Bluetooth technology. Now used by most mobile phones and mobile devices is PowerClass2, standard transmission distance 10 metres and upgraded PowerClass1 is a transmission distance up to 100 meters, both versions support the A2DP Stereo transmission protocol, can be used with stereo headphones connected. In General, the mobile phone and the Bluetooth headset not too far away, if there are no obstructions within 7 meters of transmission are of very good quality, exceeding 8 m breakpoints will appear! More than 10 m loses the connection between Bluetooth devices.
Based on actual usage, distance between mobile phone and Bluetooth headset, and call noise is proportional to; in addition, when you use a Bluetooth stereo earphones to enjoy music, not too far from the phone, or prone to intermittent phenomenon. In addition to functional considerations, Bluetooth headset appearance and wearing comfort is the key to consumers must pay attention to. Many consumers now hang on the ear Bluetooth headsets, therefore the style becomes a basic condition; and each individual ear shape is different, users had to give it a try before purchasing wearing comfort, and then decided to buy; the man wearing glasses need to pay more attention, many Bluetooth headset over the ear part will conflict with the glasses, be sure to try to know.