① Loudspeaker size: φ10mm x 2.
② Distortion: ≤1.0%.
③ Frequency: 20Hz-20KHz.
④ Sensitivity: 95±3dB.
⑤ • Build in stereo 24bit input sigma-delta DAC, SNR>95dB, SNR (A-WEIGHTING)>98dB,THD<-85dB .
• Build in stereo 20mW PA (Power Amplifier) for headphone. PA output supports traditional mode and direct drive mode(for earphone).
• Build in stereo 24bit input sigma-delta ADC, SNR>90dB, SNR(A-WEIGHTING)>93dB,THD<-82dB. With multi-bit quantization option,SNR>93dB,SNR(A-WEIGHTING)>96dB.
⑥ Active Noise-Cancellation: No.
⑦ Passive Noise-Cancellation：CVC 8.0.
⑧ APE,FLAC: Max 16BIT 48kHZ 512Kbps~1536Kbps.
⑨ WAV: Max 24BIT 48KHz 16Kbps~2304Kbps.
① Input: Micro USB.
① Power input: DC 5V, 50 to 60 Hz.
② Battery: 180 mAh Polymer battery.
③ Charging time: 1-2 hours.
④ Standby time : 300 hours.
⑤ Work time : 8-9.5 hours per charge.
① Memory type :Built-in .
② Memory size :8GB.
① Waterproof range :IPX6.
② Swim :No.
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