Size & Weight: 140*25mm, 250g<br><br>Earphone power:16mw+16mw(32Ω)<br> <br>Working voltage：DC 5V<br> <br>Battery: 3.7VLi lon 2000mAh <br><br>Playing time: about 20 hours <br><br>Anti-shock time: CD: 60 seconds MP3: 120 seconds <br><br>Color box size：210*170*45mm <br><br>Package: 1*Portable CD player<br><br> 1*USB cable(1.2m)<br><br> 1*AUX cable(1.5m)<br><br> 1*Earphones(1.2m)<br><br> 1*User Manual<br><br>