1)USB connector
2)The mouse button can be used 10,000 times more
3)Photoelectric mouse
4)resolution:800DPI
5) Operation System .  Win95(PS/2),Windows 98,98 SE,Windows ME,Windows NT 4.0(PS/2),Windows 2000,,Windows XP,MacOS8.6,MacOS9.0,MacOS X
6)

 USBHUB
1) Four denotation USB com port and version 2.0 options
2)Can be inserted digital equipments.  U disk,SD, mp3 etc
3)Logo printing you want on the surface
4)Material.  ABS+AcrylicUSB

CardReader
1)this product can read MS/SD/MMC/XD card
3)Logo printing you want on the surface
4)Material.  ABS+Acrylic

Keyborad

1)USB Connector
2) Operation system.   Win95(PS/2),Windows 98,98 SE,Windows ME,Windows NT 4.0(PS/2),Windows 2000,,Windows XP,MacOS8.6,MacOS9.0,MacOS X
3)17keys,0-9 number keys,+ ,- ,* ,/ ,Del ,Entr
4)temprature limit.  -10°C-50°C
5)humidity limit.  ≤85% RH

6)Material.  ABS

OEM/ODM,Customized Logos/Designs are Welcome