Specifications General Storage medium: SDHC/SD/Mini SD(adapter)/micro SD(adapter)/TF card(adapter) Audio codec format: MP3，PCM Sample rates: 44KHz, 48KHz, 96KHz Frequency response: 20Hz ~40KHz,+-0.5dB Signal-to-noise ratio (Playback): 94dB（20Hz~22KHz，ASA “A” Weighted） Signal-to-noise ratio (MIC path): 90dB(Mic channel+ 19dB Pre-amp+AD, 20Hz to 22KHz,ASA “A” weighted) Dynamic range (line in): >90dB Dynamic range(microphone in): >122dB ASA “A” Weighted THD+N: <0.02%（20Hz~22KHz） Physical Dimensions: 103(L)x62.6(W)x22.5(H) mm (4x2.5x0.9 inches) Weight: 96.5g (3.5oz) (Battery not included) Working temperature: 0~70℃ Working humidity: 20%~80% Input/Output microphone filter setting: 20Hz~40KHz / 100Hz~40KHz microphone maximum gain: 65dB microphone minimum gain: 19dB Maximum input level (Line in): +17dB Maximum output level (phones): 30mW(left)+30mW(right)(16Ω) MIC in: External stereo MIC 3.5mm stereo jack Line in: Unbalanced line-in 3.5mm stereo jack Stereo earphone output: 3.5mm stereo jack USB: Support USB 2.0 SD card: SD v1.0/v1.1/v2.0:SD,SDHC Power supply Alkaline dry battery: LR6( AA) x 2 USB: Mini-B type Power consumption: 3V,max 120mA (measurement conditions: Sandisk 2GB SDHC)
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