Another important issue for the Bluetooth ear machine is the distance from the transport, which is not related to the Bluetooth version, and is handled by the Bluetooth Technology PowerClass. Most of the hand-held mobile devices use PowerClass2, the default transmission distance is 10 meters; and the higher-level PowerClass1 is now 100 meters, which supports two versions of the original A2DP stereophonic voice communication, allowing stereophonic ear mutual communication. In general, the distance between the hand and the ear can't meet, so there's a huge obstacle in the middle, and there's a big obstacle in the middle of the day. Lost connection between 10 US blues equipment.
In fact, the feeling of use, the distance between the hand and the ear, and the sound ratio of Japanese voices; Many consumers can grasp the ear at any time on the ear machine, so the basic condition of the model change is completed; More attention, please pay attention to the multi-bone ear machine's ear part, and the eyes and thighs will clash.