bluetooth 5.0 usb adapter transmitter wireless receiver audio dongle sender for computer pc lapnotebook wireless mouse bt v5.0 dongle

note: not support for ios system devides for win8/win10 system, not need drive software for win7/xp vista system, need drive software due to technical limitations, some computers will display version 4.0. because the driver currently used is still version 4.0.don't worry, it does not affect the connection with 5.0 devices. it is the latest 5.0 technology and 5.0 chip.we have bqb certification.