Main functions: 

• Music And Video Player
• Digital Watch
• U-disk
• High Fidelity Sound Recorder
• 1.5 OLED  Screen
• Music And Sound Playback
• 3-D Sound Effect Modes
• E-book Browser
• 7 Hours Keep on palying video
• FM Radio
• KOREA SKYLARK SOLUTION

Specification: 

• Dimension (L x W x H):  42mm x 42mm x 14mm
• Capacity: supports 4G
• Screen: 1.5-inch OLED screen, 128*128 pixel image
• Color: Silver
• Weight: Approx 145.2g
• Steel band
• Frequency response: 20Hz to 20KHz
• Audio output distortion: <0.1%
• Audio output power: 40mWx2@160hm
• Signal/Noise Radio: 88dB
• Record Format:MP3 (32Kbps)
• Record Rate: 8KHz to128KHz
• Data transfer rate: USB2.0 high speed at 480Mb/s max
• Audio Jack: 2.5mm stereo port
• Supports several language