... Mini Voice Wireless Keyboard Mouse Multi-Touchpad with Speaker and Microphone+Retail Box KP-810-05V Features:iPazzport ... :4 in 1: Wireless stereo speaker, microphone,Keyboard, and mouse touchpad 4 in 1. 2.4g wireless Stereo ... os, For Mac OS,For Linux,For Windows 2000, Windows XP, Windows Vista ,Windows 7, Windows CE, Windows MobileApplication:lecturer, meeting presenter, classroom teacher, ...