[]Etymotic ear plugs ER20 series standard fit 3 flange ear tip S blue 1 pair noise reduction Maximum 20dB attenuation ER20-SMB-C

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【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.

Etymotic High-Fidelity Earplugs are earplugs that evenly attenuate low, mid, and high frequencies by up to 20dB to maintain speech and music clarity. Etymotic High-Fidelity Earplugs use resonators and acoustic resistors developed and designed based on years of development experience and accumulated data to reproduce natural response.Protects your hearing from all kinds of noisy environments such as live music venues, nightclubs, construction sites, motor sports, and aircraft cabins, reducing the risk of damage.The ear tips are replaceable, so they can accommodate a variety of ear sizes and shapes, and can be used cleanly for a long time. [Features of the ER20 series] Long stem allows for smooth removal. Set contents: 1 pair of 3 flange ear tips S blue, neck cord, storage case