BLE Voice

  The KT142X supports connecting to a computer via USB to download and update its firmware. The update software (exe) is provided by us. Step 1: Connect to the computer via a USB cable—this essentially enters the firmware update process . The update interface is the USB-A port on the test board, that is, the larger USB port, the one used for connecting a U disk. At this point, the most noticeable phenomenon is that the busy indicator light starts flashing rapidly. You can also open the device properties in My Computer, where an additional “USB Mass Storage Device” will appear. Step 2: Open the update exe software we provide , click the “Update” button, then unplug the USB and power on again.

  As consumers' awareness of hygiene continues to grow, the s anitation standards for nail salon services have become increasingly strict. If tools such as nail clippers, files, and cuticle pushers are not properly sterilized, they can easily lead to cross-infection of bacteria, fungi, or even viruses , causing diseases such as paronychia or onychomycosis . According to industry research, infection cases caused by improper sterilization of nail tools have been increasing year by year , which not only harms consumers' health but also seriously damages the reputation and operation of nail salons. Against this backdrop, ultraviolet (UV) sterilization boxes for nail tools have become an essential device in salons thanks to their efficient and convenient sterilization capability. With the addition of the KT148A voice playback chip , the sterilization process evolves from silent to intelligent and interactive, ushering in a new era of smart sterilization experience. Voice S...