Micro Electric Noise Anti-Snoring Device Sleep Apnea Stop Snoring Assist Stopper Silicone material, no odor, very soft and comfortable to wear. Electronic anti-snoring device, double vortex air supply, more convenient to use and better sleep quality. Simply insert the vents into the nostrils to use, no long lists of directions, easy to remove. The electronic anti-snoring device also frees you from uncomfortable belts and noise from other machines. Scientifically designed to maximize airflow through the nasal cavity, effectively relieve snoring. Material: ABS + PC, with charging cable, ear lanyard, silicone ear rope. Battery: 90mAh, rated voltage: 3.7V, rated current: 20mA, charging voltage: 5V. One key switch, easy to operate. Suspended head massage design, stimulate acupuncture points, high frequency vibration, strong penetration, comfortable to wear without compression. Hanging ear design, not easy to fall off, adjustable elastic rope.