The Bluetooth headset is the application of Bluetooth technology to the hands-free headset, allowing users to avoid the annoying wires and make calls in various ways. Since the advent of Bluetooth headsets, it has been a good tool for mobile business people to improve efficiency.
Recommend Bluetooth headset:
QCY T2C / T1S TWS Bluetooth Earphones Binaural Wireless Stereo Earbuds with Mic and Charging Dock
Bluetooth headset specifications: HSP, HFP, A2DP
As for the purchase of Bluetooth headsets, because there are many brands of mobile phones and headsets, the most troublesome issue for consumers is the compatibility between mobile phones and Bluetooth headsets. The manufacturer pointed out that Bluetooth headsets have three specifications: HeadsetPro-file (HSP), HandfreeProfile (HFP) and A2DP. HSP provides the basic functions required for communication between mobile phones (mobile phones) and headsets. HandfreeProfile (HFP) adds some extended functions on the basis of HeadsetPro-file (HSP). Originally, it was only used to control mobile phones by fixing the car hands-free device from the Bluetooth headset. A2DP (Advanced Audio Transmission Specification)-allows the transmission of stereo audio signals. (Compared to the mono encryption used for HSP and HFP, the quality is much better). Decide the compatibility of the headset and the mobile phone.
Among them, the Bluetooth headset of the HFP format supports more complete functions of the mobile phone. Consumers can operate the hands-free options such as redial, call retention, and call rejection on the headset at the same time. Take the Bluetooth headsets launched by several major manufacturers such as Nokia, Motorola, Sony Ericsson, and QCY as examples. Almost all of them support the HFP format. Pimect supports both HFP and HSP. Consumers should pay special attention when purchasing.
In addition, when consumers purchase Bluetooth products, they often encounter the problem of how to choose the Bluetooth technology version. Different Bluetooth versions are related to the quality of the received signal. The new version emphasizes the ability to overcome noise interference, and all the latest versions of Bluetooth are designed to be downward. Compatible with all previous versions. Devices of version 2.0 and version 1.1 can also be connected freely. 3.0 is relatively compatible and is a relatively mature technology. Bluetooth 4.0 is also compatible with high versions and low versions, and battery life is also due to technical tips. Increase, consumers should weigh price and demand when purchasing.
