3.messge
ums0: Microsoft Microsoft Wireless Intellimouse Explorer-Aョ 1.0A, rev 1.10/0.0e, addr 2, iclass 3/1
ums0: 5 buttons and Z dir.
# usbdev -v
addr 1: self powered, config 1, UHCI root hub(0x0000), VIA(0x0000), rev 1.00
port 1 addr 2: low speed, power 50 mA, config 1, Microsoft Wireless Intellimouse Explorer-Aョ 1.0A(0x0059), 
Microsoft(0x045e), rev 0.0e