• MP3 player & card reader
• the Black case made by Aluminum metal
• Super Lightweight
• Allow Clip on Anywhere For Outdoor .
• Max. Support  2G Memory card For MP3 Player  
• Unlimited Memory card for reading or writing
• Fully support USB 2.0
• U disk functions without driver installation
• Directly upload or download the MP3 files into Micro SD / TF memory card
• Support MP3/WMA format audio file playing
• On/Off button
• Play/Pause control
• Volume control
• Build-in Power
• Plug and play
• Support all 3.5mm Earphone plugs
• Support Windows 98SE/2000/ME/XP/Mac/VISTA/WINDOWS 7/  OS 8.6 or above
• Size :40x28x13mm

Specification:

Build-in Power

Playing Format: MPEG Layer III (MP3) or WMA file

Output of earphone: 20mW+20mW

Frequency Response: 20Hz-20KHz

Signal Noise Ratio: 88dB

Distortion: 0.02%

Interface: USB 2.0