Bluetooth headset introduction:

A Bluetooth headset is a hands-free headset using Bluetooth technology, which allows users to use the headset freely and easily in various ways without being entangled in wires. Since its inception, Bluetooth headsets have been a good tool for mobile business families to improve efficiency. It has three types: mono, stereo, and true wireless, including three specifications: HSP, HFP, and A2DP. Bluetooth technology is not only used in computers, but many electronic devices such as mobile phones, digital cameras, camcorders, printers, fax machines, home appliances, etc. can use Bluetooth technology to achieve wireless connectivity without having to drag a tail (connection line). With the popularization of Bluetooth technology, no longer worry about the wiring of electrical appliances during home decoration.

Signal introduction:

A signal is a physical quantity that represents a message. For example, an electrical signal can represent different messages through changes in amplitude, frequency, and phase. There are two types of electrical signals: analog and digital. A signal is a tool for carrying messages and a carrier of messages. In a broad sense, it includes optical signals, acoustic signals and electrical signals, etc. According to the actual use, the signals include TV signals, broadcast signals, radar signals, communication signals, etc.; according to the time characteristics, there are deterministic signals and random signals.

Category introduction:

Mono Bluetooth headset: Most of the single-ear Bluetooth headsets are wireless and compact, and can be worn directly on the ear. The main function is to answer and hang up calls, and can control the volume adjustment.

Stereo Bluetooth headset: The stereo Bluetooth headset is based on the mobile phone supporting the A2DP Bluetooth stereo protocol. Only when the mobile phone supports the A2DP Bluetooth stereo protocol can the stereo Bluetooth headset be connected to enjoy Bluetooth headset music.

True wireless Bluetooth headset: The biggest difference between a true wireless Bluetooth headset and a traditional Bluetooth headset is the use of Multiplexlink multi-point wireless interconnection technology. As a new concept wireless Bluetooth headset, it realizes the wireless connection between the left and right ears.