NAS-‐3057
Portable Speaker Boombox with
USB/SD/MMC Inputs, FM Radio, Alarm
Clock and LED Display
OPERATION MANUAL
Page 1: ...NAS 3057 Portable Speaker Boombox with USB SD MMC Inputs FM Radio Alarm Clock and LED Display OPERATION MANUAL...
Page 2: ...Input interface 3 5mm standard stereo interface USB2 0 SD Card Input Impedance 6K Ohm Frequency Response 20Hz 20KHz Sensitivity 400mV Power Supply Built in Lithium power supply USB or DC 5V 500mAh tr...
Page 3: ...Page 2 Key Operations Action Basic Operations Short Press Key pressing time less than 1 2 sec Long Press Key pressing time more than 1 2 sec Hold Press the key and keep the key pressed...
