1. Integrated audio components: Built in INMP441 microphone and MAX98357 amplifier, with clear voice and sensitive dialogue. 2. Convenient programming interface: Built in CH340X, TYPE-C interface supports one click program burning without manual reset. 3. Battery management function: Built in TP5400 battery management chip, supports external batteries, and displays the charge level. 4. Multi functional button design: equipped with 5 functional buttons, flexible operation, and support for multiple AI interaction functions. 5. Strong scalability: Reserved detection interface, TYPE-C interface combines charging and data transmission functions.<br><br>Interface: TYPE-C interface Speaker interface: connected to a PH2.0 interface speaker, without distinguishing between positive and negative poles Battery interface: Connect to a 3.7V battery with a PH2.0 interface, pay attention to distinguishing the positive and negative poles TYPE-C: Combining charging and data transmission functions Built in CH340X, one click burning program, no need for manual reset Built in INMP441 MAX98357 Clear voice and sensitive dialogue Built in TP5400 battery management, can be connected to a battery for use, with battery level display Reserved PIR human detection interface Colour:As Shown Material:Plastic<br><br>Package Contents: 1 x Xiaozhi AI Voice Chat Module 1 x Speaker 1 x Type-C Cable<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.