Product information:

Product Type: Player recorder bracelet
4GB: Can be stored for 48 hours
Recording format: WAV
8GB: Can be stored for 96 hours
Battery: Environmentally friendly polymer lithium battery
16GB: Can be stored for 192 hours
Charging time: About 1.5 hours
32GB: Can be stored for 384 hours
Play format: MP3/WMA/WAV
Sampling rate: 48KHz
Play format: APE/FLAC/AAC/OGG
Signal to noise ratio:> 90db
Frequency response: 20Hz-20KHz
Resolution: OLED 128 x 64

Package Contents:
1X watch