Another important point of the Bluetooth headset is the transmission distance, which is independent of the Bluetooth version and depends on the Bluetooth technology PowerClass. Most mobile phones and mobile devices use PowerClass2 with a standard transmission distance of 10 meters. The upgraded PowerClass1 increases the transmission distance to 100 meters. Both versions support the A2DP stereo transmission protocol and can be interconnected with stereo headphones. In general, the distance between the mobile phone and the Bluetooth headset is not too far. If there is no big obstacle in the middle, the transmission quality is very good within 7 meters, and the breakpoint will appear after more than 8 meters! The connection will be lost between Bluetooth devices over 10 meters.
According to the actual feeling of use, the distance between the mobile phone and the Bluetooth headset is proportional to the noise of the call; in addition, when listening to music using the stereo Bluetooth headset, don't be too far away from the mobile phone, otherwise it will be prone to intermittent. There are many consumers who hang their Bluetooth headsets on their ears at any time, so the styling becomes the basic condition; and each person's ear has a different shape, the user has to try the wearing comfort before purchasing, and then decide to buy; the person wearing the glasses More attention should be paid to the fact that many of the earphones of the Bluetooth headset will conflict with the temples.http://www.uiisiib2b.com/