Portable mini voice amplifier (GIGA PHONE) is light, small and portable but has clear loud sound. We really hope that you introduce new concept amplifier in your market with our high quality products. It may be good opportunity to expand your market and more competitiveness. And you can give more satisfaction to your honorable customers. * Feature 1. Small, light, portable appearance supplies rich sound volume. 2. Adequate for the person who has problem with vocal cords or weak voice. (Suitable For the old抯 communication but at least they can speak even small voice) 3. GIGA PHONE minimizes the noise and hum, amplifies the original sound. 4. Even women and children easily learn how to use this. 5. Multi GIGA PHONE using is available in same place; has no cross and interference (Non wireless type) 6. Non-directional speakers transmits clear clean original sound to audience independently of the user抯 direction and position. 7. Rechargeable battery saves your maintenance cost. (approximately 300 times recharge available; 8month ~ 12month life span when using everyday) 8. Once recharge makes it using 5~8 hours (full enough using time) 9. Normal battery (AA size) is usable. (comfortable for outdoor activity) 10. The function to cut off over voltage and over electric current in adapter reduces possibility of danger. 11. GIGA PHONE supports two way to fix (shoulder strap or belt) 12. Belt type is recommended for person who need many physical activity. 13. Putting Name is available on the name tag of belt clip. 14. iSet microphone is comfortable to use without oppressive feeling even long time using. (easy size control by hand) 15. iSet microphone allows user抯 both hands free, let him move without limit. (wireless microphone has limit to reach radio wave) 16. The person who doesn抰 like iSet microphone can use 1m hand microphone 17. For more user抯 preference, 3m hand microphone is available too. 18. Bag for keeping will be offered free. 19. Useable anywhere, any purpose (school, department store, seminar, conventions, companies, exhibitions, churches, sightseeing spots, AD activities etc) * Specification Max Power Output : 5W Min (at 4ohms speaker load) Distortion : 5% Max (at 2W output) SPL : 95dB/W + or - 2dB Hum and Noise : 50dB Min AF Response : + or -2dB (at 100Hz ~10Hz) Current Consumption: 1.2A Max Power Source : Rechargeable, DC9V (AA Size 6EA) Size : W:87 x H:135 x D:45/mm Weight : 365g (battery out;210g)