Digital Voice Recorder Mini Digital Camera Voice Recorder 1080p High The large mouth hole helps

The large mouth hole helps the ventilation inside the mask

correcting posture and eliminating muscle imbalances

5m- 45cm/ 17

Greatly prevent tongue and throat from falling back and blocking airway

Digital Voice Recorder Mini Digital Camera Voice Recorder 1080p High The large mouth hole helpsDigital Voice Recorder Mini Digital Camera Voice Recorder 1080p Highdescribe: Digital voice recorder, mini digital camera voice recorder, 1080P high definition security camera, USB charging, used for meeting, audio and video recording (black) Products are shipped according to the color or size of the main image on the product page Multiple high resolution recording modes: multiple high resolution recording modes, in addition to the traditional 16: 9