Specification:
Item Type: MP3 Player
Material: ABS
Color: As Picture Shown
Weight: Approx. 69.0g/2.4oz
Model: SK-288
Storage: 16GB
Recording Sampling Frequency: WAV Format (512Kbps. Default)
Recording Format: WAV Format, MP3 Format
Music Playback Format: MP3/WMA/OGG/APE/FLAC/WAV/AAC-LC/ACELP, etc.
Headphone Jack: 3.5MM Stereo Jack
Built-in MIC: non-Directional Capacitor Microphone
Recording Current: 8mA-13mA　　　　
Frequency: 24Hz
Distortion: 90dB
to Noise Ratio: 0.06%
Built-in Speaker: Dynamic 2510mm, 8ohm
Built-in Speaker Output: 800mW
Operating Temperature: 0℃-40℃
Battery Type: 3.7V-4.2V 400MA Li-ion Battery
Power Supply Time: About 20 Hours of Recording
Play Time: About 10 Hours (Plug in Headphones to Listen)

Package List:
1 x MP3 Player1 x Earphone
1 x Microphone
1 x Data Line