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7. Specification
Solution 8 bits DSP Voice Processing
Echo-cancellation: up to 45 dB
Audio Output Frequency Range: 44.1K Hz
Audio Input Sampling Rate: 8K Hz, 8 bits
Interface USB 1.1 compliant
Connectors USB B type female connector
3.5mm stereo jack for earphone
3.5mm jack for microphone
5V DC IN jack
Speaker Size: 41 x 71 mm
Response Frequency: 100 Hz~20K Hz
Output Impedance: 1W / 8 Ohm
Volume: 100dB
Microphone
Sensitivity: -40±2 dB
Directivity: Onmi-directional
Response Frequency: 50 Hz~16K Hz
Response Frequency 100 Hz~15K Hz
Signal-To-Noise Ratio More than 60dB
Receiver Output Impedance 2.2K Ohm
Operating Voltage DC 5V (Bus-Powered / 5V DC jack)
Resolution: 128x64 pixels
Size: 59 x 65.4 mm
Backlight: White
LCD
Multiple languages display
Temperature
Operating: 0~40 °C Storage: -20~60 °C
Humidity (Non-Condensing) Operating: < 90% Storage: < 95%
*Specifications are subject to change without notice.
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