64Acer Multi-functional MP3/Storage DriveTarget Dimension 95.7 (W) x 31(D) x 20(H) mmTarget Weight 29 g without battery , 45 g with batteryOperation Temperature 0 °C ~ 45°CStorage Temperature -20°C ~ +70 °CAudio Spec Output: 60mW rms ( 30mW / channel)Frequency: 20 to 20K HzSNR: >90dBLCD module Dimension: 29.5(L) x 11(W)mm ( 96 x 25 pixels)Memory Size 256 MBI/O Input 1. Stereo Audio-out, 3.5mm2. Stereo Line-in, 3.5mm3. USB connectorEMI and Safety BSMI, FCC Class B and CEInterface Language English/ Traditional ChineseEarphone with neck strap Stereo Output: 20mW rms (10mW / Channel)Battery Li-ion battery 420mA/hrManual English/ Traditional ChineseUSB Cable 100 cm