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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 %