Features: 1) Alternative 2 different masking sounds 2) It is a cellular phone handsfree earphone set with changeable outgoing sound levels 3) Call screen: bypasses answering undesired phone calls and reduces harassment calls 4) Body dimensions: 39 x 38 x 20mm 5) Weight: 20g 6) Single female can refuse unwanted dates or solicitation 7) Children who are left at home alone can ward off villains 8) Wives can spy on their husbands 9) Husbands can investigate their wives 10) People entertains friends and family members Certification(s): CE, FDA, ROHSSupply Ability: 30,000pcs/month