800dpi (wireless optical mouse) Radio frepuency 27MHz 256 ID code Compatible with windows98, Me, 2000, XP Connector USB. U+PLast Updated: 2008-07-18

800dpi(Retractable cable, HUB, microphone) Key-press life 150Million Easy scrolling under Compatible with windows 95, 98, Me, NT 4.0, 2000, XP Mac Connector USB. U+PLast Updated: 2008-07-18

Features: *Wireless headphone functions *Headset with FM radio function Specifications: *Transmitting frequency: 83MHZ *Receiving frequency: 83~108MHZ *Receiving ...Last Updated: 2008-07-18

Mini-numeric keyboards 19keys & convenience Every language is available Cable length is adjustable Connector: USB System requirement: Windows 98/2000/NT/ME/XP/VISTALast Updated: 2008-07-18

Connector: USB/PS2 5 multi-media hot keys ( play, + volume, - volume, Mute position, refurbish) Appearance: Simple and In good taste Usage: Comfortable, Mute position & Deft ...Last Updated: 2008-07-18

Features: *Wireless headphone functions *Headset with FM radio function *Wired or wireless headphone *Wired online chat *Super bass Specifications: *Transmitting ...Last Updated: 2008-07-17

Frequency: 20-20000Hz Sensitivity: 120+/-3% Impedance: 32ohm Max input power: 100MV Cord length: Approx2.0M Plug type: 3.5stereo Drive unit: 50mmLast Updated: 2008-07-17

Frequency: 20-20000Hz Sensitivity: 111+/-3% Impedance: 32ohm Max input power: 100MV Cord length: Approx2.0M Plug type: 3.5stereo Drive unit: 40mmLast Updated: 2008-07-17

Frequency: 20-20000Hz Sensitivity: 120+/-3% Impedance: 32ohm Max input power: 100MV Cord length: Approx2.0M Plug type: 3.5stereo Drive unit: 50mmLast Updated: 2008-07-17