BWT61 | manual v0707 | http://wiki.wit-motion.com/english
2.1.2 USB-HID Connection
Step 1. Insert the USB-HID adapter to USB slot in the beginning
Step 2. Power on the sensor after red light of HID adapter flashes
Step 3. Wait till the sensor's blue LED light keeps on--pairing succeeds
Step 4. Open the software, Minimu.exe
Step 5. Data will appear once the auto-search finishes.