Circuit diagram of bus radio and amplifier

Circuit principle and circuit diagram of bus radio and amplifier:

It can show your brand in a different way. The meta part is available in several colors, such as white ,red,black ,blue,green and sliver.It will be lighted when plug in computer . There are also multi-color LEDs are available.
Note: No MOQ limited and free make sample with LOGO .contact with us for more.

Crystal USB Flash Drive

Crystal USB Flash Drive,Crystal USB Stick,Wholesale USB Flash Drive,Crystal Flash Drive

Custom Usb Gift company limited , https://www.customusbgift.com