This DeWalt® earmuff will protect your hearing, while offering bluetooth wireless technology for streaming and phone calls. High-fidelity speakers provide premium sound in this USB rechargeable item. NRR (Noise Reduction Rating) 25. 12 per case
Features
• NRR 25
• Rechargeable lithium ion battery
• Micro-USB connector cable included
• Integrated mic for phone calls
• Adjustable headband
Specifications