Bluetooth headset

In recent years, Bluetooth headsets have also become popular. , Bluetooth products, an optical technology product with a long history, has given new life to the intelligent era.

Camera development

A camera is a device that uses the principle of optical imaging to form an image and uses a film to record the image. It is an optical device used for photography

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.