Hand-held Sleep Instrument Micro-current Music Relaxation Sleep Aid

Product information:
Power supply: USB
Function: wireless remote control, timing, music function
Control method: mechanical
Color: silver, green
Specifications: upgrade battery model, rechargeable portable model, rechargeable music model

Feature:
Decompression music relieves anxiety
Portable charging, fast fall asleep

Packing list:
Sleep meter + data cable *1