Btuty 3-in-1 Acoustic Guitar Sound Hole Cover Humidifier Moisture Reservoir Dehumidifier for 101-103mm Guitar Sound Hole cocoon Samsung Galaxy S21+ 5G/Galaxy S21+

Samsung Galaxy S21+ 5G/Galaxy S21+ Ultra/Galaxy S20 Ultra/Galaxy S20+ Ultra

Support 3D 4K

Fitting the eyepieces with diameter of phi28mm-phi30

or 1/4 of a bottle in a quart bottle of unscented fog juice

Btuty 3-in-1 Acoustic Guitar Sound Hole Cover Humidifier Moisture Reservoir Dehumidifier for 101-103mm Guitar Sound Hole cocoon Samsung Galaxy S21+ 5G/Galaxy S21+Btuty 3 in 1 Acoustic Guitar Sound Hole Cover Humidifier Moisture Reservoir Dehumidifier for 101 103mm Guitar Sound Hole Features: Designed for acoustic guitar with 101 103mm sound hole diameter. Used as a guitar humidifier, simply moisten the included sponge and install for reusable humidification. Working as a guitar dehumidifier, using the included desiccant to absorb moisture around your guitar. Can also be used as a normal sound hole cover to