Pink And White Noise Sleep Instrument Fast Sleep Improvement Help

Product Information:
Material: ABS plastic + food grade silicone
Product size: 109*105*50mm
Number of audio sources: 28
Battery capacity: 1200mAh
What it does: Soothe/help you sleep

Voltage: 220V
How it works: Sound waves
Main functions: optical sleep regulation to help sleep biological clock regulation

Packing list:
Sleep instrument + data line + instruction manual