... Wireless Keyboard Mouse Multi-Touchpad with Speaker and Microphone+Retail Box KP-810-05V Features:iPazzport voice Mini Wireless ... 60 g.Plug and play: no need to install software.Charge voltage/current : 5V/300mA .Size :135 x ... os, For Mac OS,For Linux,For Windows 2000, Windows XP, Windows Vista ,Windows 7, Windows CE, Windows MobileApplication:lecturer, meeting presenter, classroom teacher, sales ...