1. It is the world's smalles Recording Pen in the world. 2. It features with high sensitivity of the microphone: Within 15 square meters, the clear voice. 3. Exquisite looking, smooth ball-point pen to write. The replacable cartridge is durable and environment-friendly. 4. Apply to any computer with USB and other electronic equipment. 5. USB2.0 standard interface. No need drive or external power supply. 6. Support WINDOWS 98/98SE/ME/2000/XP/MAS OS/LINUX operating systems. It may automatic identify the system to install the driver. (Excpet WINDOWS 98 ). 7.352 x288 CIF file in AVI format 8. High reading & writing speed: 900 K/700K bytes / sec (depends on the connected computer) 9. Elegant outlook.