Soundproof Earmuffs Noise-Proof Sleep Earmuffs Industrial Protective Earmuffs Ear Caps(Black) Tag-12.9 inch 2017 Loudspeaker resistance group: 2 ohms

Loudspeaker resistance group: 2 ohms

Weight about 430g

Revolutionary Product in 3

13) Measure length and pair with or without far-end recognizer

Soundproof Earmuffs Noise-Proof Sleep Earmuffs Industrial Protective Earmuffs Ear Caps(Black) Tag-12.9 inch 2017 Loudspeaker resistance group: 2 ohms1. Material: ABS shell, high density sponge 2. Usage: Sleep, industrial noise prevention 3. Classification: Suitable for use in a 105 decibel environment 4. SNR: 35 5. Noise reduction rate: 36% 6. Cup thickness: 4 mm 7. Weight: 0. 425 kg Specification: Package Weight One Package Weight 0. 42kgs 0. 91lb One Package Size 12cm * 15cm * 20cm 4. 72inch * 5. 91inch * 7. 87inch Qty per Carton 66 Carton Weight 30. 00kgs 66. 14lb Carton Size 50cm * 50cm * 60cm