• Uniquely ergonomic to help reduce the effects of Carpal Tunnel Syndrome
 • Silver Nano Embedded for Anti-Bacteria
 • Excellent wireless communication performance
 • Pen type for performance of handwriting input
 • laser-beam pointer as presentation tools more comfortable by one touch type button
 • Rechargeable batteries of long-term period life
 • 512Mb or 1Gb size USB flash memory inside RF receiver(option)