WNSC Noise Cancelling Headphones, Lightweight Ear Defenders for Sleep Studies, Work, Travel, Racing for Hearing Protection for and Adults (Blue)

• With high density sponge, soft and comfortable to wear, better sound insulation.
• Away from noise and offers you a quiet and comfortable sleeping environment.
• Made of high quality ABS and silica gel, resistant to low temperature, corrosion and shock.
• Can be used for sleep, study, work, travel, racing, entertainment, etc.
• There are three colours of these earmuffs and you can choose the colour you like best.

Features: Made of high quality ABS and silica gel, resistant to low temperature, corrosion and shock. With high density sponge, soft and comfortable to wear, better sound insulation. There are three colours of these earmuffs and you can choose the colour you like best. Can be used for sleeping, learning, working, travel, racing, entertainment, etc. It is away from noise and provides you with a quiet and comfortable sleeping environment. Specification:Item Type:Earmuffs Condition: 100% Brand New Material: ABS + silica gel + sponge. Cup lid thickness: approx. 3 cm / 1.2 inches. NNR: 29 dB. SNR: 35 dB. Applicable environment: 110 dB. Optional color: black, blue, red Package weight: approx. 380 g / 13.4 oz. Package list: 1 x soundproof earmuffs.