Cabo flex cone head phone

• The earphone has a cone-shaped head that fits easily into the ear.
• It has a safe head that is dermatologically hypoallergenic.
• Noise reduction rate (NRR) under the chin, 20 dB
• Noise reduction rate (NRR) behind the neck 17 dB
Standard: ANSI S3.19 – 1974 & CSA class BL