... 2042 main chip, with bluetooth2.0 Interface. 2, using the Bluetooth industry leading software solutions, WIDCOMM BTW (Microsoft officially designated ... use of more than 3 months, giving charge line. 8, the appearance of total size: 284.5mm * 119.8mm * 6. ... variety of desktop and notebook computers, can also support the Bluetooth HID protocol to connect a variety of portable electronic devices, IPDA ...