The working principle and structure of bluetooth headset

Now after a while, you can see that the bluetooth speaker is successfully paired. The following shows that the device has been connected. After the successful connection, the bluetooth speaker will also emit a beep to indicate that the connection is successful. Now you can try the effect.

Active noise canceling headphones and passive noise canceling headphones

Noise Canceling Earphone is an easy-going quality earbuds with noise canceling function , that will run for music player via mobile phone, with hands-free call , unique design , fashion quality music life. that can do OEM/ODM with over 15 years experience quality control.

Introduction to speakers

Speaker refers to a device that can convert audio signals into sound. In layman's terms, it means that the main speaker cabinet or the subwoofer cabinet is equipped with a power amplifier. After amplifying the audio signal, the speaker itself will play back the sound to make the sound louder.

Induction Lamp Function Introduction

Portable LED lights have the advantages of good environmental protection, long life and multiple conversion lights, that can do OEM/ODM with over 15 years experience quality control.

Functional glasses

Smart Audio Glasses is for unique auido player with good sound, that will run for music player via mobile phone, with hands-free call , unique design , fashion quality music life. that can do OEM/ODM with over 15 years experience quality control.

Portable speaker type

Portable Speaker is an easy-going auido speaker , that will run for music player via mobile phone, with hands-free call , unique design , fashion quality music life. that can do OEM/ODM with over 15 years experience quality control.

The origin of Christmas Eve

active noise reduction and passive noise reduction.

There are two methods for earphone noise reduction, active noise reduction and passive noise reduction.

The origin of gifts and the origin of gifts

As a special social phenomenon, gift giving has a very long history. People giving gifts to each other is an indispensable communication content in human social life

Working principle of portable massager

Electromagnetic massager is mainly composed of iron core (including fixed iron core and movable iron core), coil, vibration spring sheet and massage head (Figure 1). When the coil on the fixed iron core is connected with alternating current, an alternating magnetic field is generated. Under the action of the magnetic field force and the vibrating spring sheet, the massage head vibrates repeatedly.

TWS bluetooth headset introduction

TWS Bluetooth headset uses the Bluetooth chip to first establish a wireless connection between the mobile phone and the main earphone, and then establish the wireless communication between the main earphone and the auxiliary earphone, thus completely abandoning the wire connection between the traditional earphones, which greatly facilitates the user's use.

Introduction to the functions and uses of smart glasses

Smart glasses, also called smart mirrors, refer to "Like a smart phone, it has an independent operating system and can be installed by users of software, games, and other software service providers. It can be controlled by voice or action to complete adding schedules, map navigation, The general term for such a type of glasses that interact with friends, take photos and videos, start video calls with friends, and enable wireless network access through mobile communication networks."