[Easy Fluid Drainage] : Aids in the rapid opening of eustachian tubes, allowing fluids to drain smoothly and alleviating congestion.
[Balance Ear Pressure] : Effectively regulates pressure in the middle ear, providing relief during travel and seasonal discomfort.
[Portable Design] : Lightweight and compact for easy carrying during travel, outdoor activities, and daily use.

Spec:

Item Type: Ear Pressure Relief Device
Material: ABS
Built in Battery: Lithium ion battery 900mAH(built in)
Application: Suitable for diving, high altitude and other ear negative pressure is large situation

Package List:
1 x Ear Pressure Relief Device
1 x USB Cable
1 x User Manual

How To Use:
Holding the eustachian tube evacuator in one hand, press the eustachian tube evacuator nose sleeve firmly over one nostril to create a seal. Form a seal by squeezing the other nostril tightly with the other hand. Activate the eustachian tube evacuator by pressing and holding the power button. Press and hold the power button, close your mouth, wait 1‑2 seconds, swallow, and then release the power button to turn off the eustachian tube evacuator. You must swallow when wind is blown into your nose. Repeat steps 1 and 2 in the other nostril, if needed.