Power Head Technology Co.,Ltd.
battery charger, cell phone accessory, Discharger, Car Charger Plug, Plug, Manufacturer and Supplier - Taiwan(TW)
Microphone 1.Size 6.05.0mm 2.Frequency range 20Hz-16KHz 3.Sensitivity -58db+/-2db 4.Standard voltage 3V Speaker 1.Size Ø 27mm 2.Frenquency 20Hz-20KHz 3.Output sensitivity 115+/-5db 4.I... - Update: 2007-03-26