Sigma H- F1381 instruction manual Electronic Features, FM Radio Specification

Electronic Features

Files Support	WMA & MP3 (Music) / ADPCM (Voice)
Digital Volume Control	30 Levels
Audio Frequency	20-20KHz
Head Phone Output Power	5mW + 5mW (22 OHM)
Signal to Noise Ratio	>80dB
Total Harmonic Distortion	<0.1%
Audio Output	One 3.6 mm Jack
Internal Memory Capacity	32MB / 64MB / 128MB / 256MB
Battery Type	One AAA size battery (Alkaline)
Battery Life Time	Max. 12 hours
PC interface	USB Cable
FM Radio Specification
Frequency Range	87.5-108 MHz
S/N Ratio	40-60 dB
Sensitivity at 30dB S/N	25-31 dB
Stereo Separation	30-40 dB
Audio output Distortion	< 1-2 %

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