A breakthrough technology to treat sleep apnea that people will actually use・ Purify air pollution makes breathe easier.<br /><br />Features:<br />1・ the effective angle of snoring<br />2・ clean air・ filtered air of harmful gases and dust<br />3・Insist on using can effectively alleviate asthma <br />Applications: indoor・ outdoor・ hospitals・ air pollution areas・etc<br /><br />Material: ABS + medical equipment special filter cotton+ Dust mat<br />Size:50*18*18mm<br />Weight;22g<br />Colors :Blue ・White ・Red<br />Package including: 1 PCS Snoring