These muffs protect your hearing as they provide superior sound enhancement, easy program navigation and volume control through voice guides. Operate on 2 AAA batteries included. Dimensions L x W x H in. Bluetooth connectivity Headband mounted digital controls Hi Gain omni-directional microphones Advanced digital performance Variable dynamic sound compression Voice mode navigation Wind noise reduction.. Walker’s Xcel 500 Ear Muffs with 26dB NRR and Bluetooth- Blaze Orange. Northern Tool Item# 80496. 1.1100 lb(s). Operate on 2 AAA batteries (included). Headband mounted digital controls. Hi Gain omni-directional microphones. Variable dynamic sound compression. All orders will contain an invoice/receipt. IMPORTANT: We will not honor requests to remove invoices or receipts from packages. If a PO box address is submitted without a physical address, it may delay your order. We may already have an answer to your question! We reserve the right to correct ad errors and/or omissions. Pricing and availability is subject to change without notice.