... main chip, with bluetooth2.0 Interface. 2, using the Bluetooth industry leading software solutions, WIDCOMM BTW (Microsoft officially designated software ... Hopping (FHSS).6, transmit power: Class 2 level. 7, built-in lithium battery, full use of more than 3 months, giving ... of desktop and notebook computers, can also support the Bluetooth HID protocol to connect a variety of portable electronic devices ...