... Visual presenter,Hi-fi speaker,wireless microphone touch screen all in one pc is a high performance machine, equipped with ... size3. Audio and sound system. 4. Touch Screen 5. Built-in HIFI Speaker6. Built-in Microphone7. Built in WIFI802.11N 8. HDD 500G9. CPU: I3 (I5 ... ext.Company Profile:Shenzhen Digital-leader Co., Ltd. was founded in China as a R&D,manufacturer and sales company, specializing ...