Portable Mini Watch Fan USB Charging Air Cooling Fan Heart Rate Monitoring System Requirements

System Requirements

Dial Diameter: 40mm

it can get rid of the limitations of traditional telescopes

and the strong shoulder setting

Portable Mini Watch Fan USB Charging Air Cooling Fan Heart Rate Monitoring System RequirementsOverview: 1. In entertainment, the baby must mobilize hand strength, which can improve the hand ability 2. Cute monster shape, develop childrens ability to observe and understand new things 3. Product function: mobile phone bracket, mobile fan, watch fan, car, mini clock Specifications: Power supply mode: USB Specification: 13*7. 5*15. 5 Category: usb charging fan Product features: cartoon style Noise: 36dB or less Rated voltage: 3. 7v Air supply