• Electrically insulated: Appropriate for a wide range of applications
• High-performance arms: Balance durability and flexibility
• Easy click in/ click out: Move cups on and off ears easily
• Convenient storage: Store with cups clicked in or out
• Compatibility with hard hats: Designed for use with a standard hard hat slot
• Fit can be confirmed: Verify with 3M E-A-Rfit Dual-Ear Validation System
• X4 products are slim relative to their level of attenuation: Protection without all the bulk
• NRR 25dB