M400 (Patented PA technology)
High quality lithium battery, DC
10W (sound coverage up to 400㎡)
AUX, USB, SD
Support AUX --- can connect with PC and work as speaker;
Support TF card play, can directly play MP3 format audio;
Built in 4 Ω 3w 2.5 Inch speker horn.
Teaching, tour guides, supermarket guides, subway guides, restaurant staff etc
Besides, OEM/ODM is available in our factory, you can customize any product functions. If you have requirements, please feel free to Contact us!