Heart Rate Watch Blood Oxygen Sleep Insomnia Help Device

Product information:
Power type: USB
Function: timing, infrared physiotherapy
Color: black, white
Specification: English Manual
Battery capacity: 180mAh 3.7V polymer lithium battery
Material: ABS silicone hardware
Product Size: 16.5*50 * 52mm

Packing list:
Sleep machine host * 1, Type-C cable * 1, instruction manual * 1, certificate of conformity * 1
Product Image: