PELTOR Sport Tactical 500 Electronic Hearing Protection Ear Muffs. 26dB NRR Bluetooth Black. The Clear Voice Tracking technology of these Protective Ear Muffs by PELTOR recognizes voices amongst the noise to boost speech intelligibility and raise situational awareness and with the integrated Bluetooth you'll be able to wirelessly sync to your mobile device to make and receive phone calls through the headset. The Peltor Sport Tactical 500 Ergonomic Ear Muffs is foldable and completely adjustable for comfortable fit and easy carry and are truly the perfect hearing protection for a day on the range Specifications for PELTOR Sport Tactical 500 Electronic Hearing Protection Ear Muffs w/Bluetooth: Manufacturer: PELTOR Color: Black NRR: 26 dB Battery Type: Li-ion Rechargeable Battery Pack AA Battery Quantity: 2 Battery Life: 40 - 90 hours Additional Features: Bluetooth Condition: New Features of PELTOR Sport Tactical 500 Electronic Hearing Protection Ear Muffs w/Bluetooth 26 dB Noise Reduction Rating (NRR) Bluetooth Wireless Technology syncs with mobile devices 3M SMART Technologies Dynamic Suppression Time adapts to firearm and environment for optimized shooting experience Clear Voice Tracking seeks voice within noise for improved speech intelligibility Auto shut-off Intuitive buttons and voice guidance let you operate without removing headset Low-profile cups have cut-outs for use with long guns Vented adjustable headband improves comfort when worn with hats Durable recessed microphones designed to reduce wind and fan noise Package Contents: Peltor Sport Tactical 500 Electronic Hearing Protection Ear Muffs w/Bluetooth PELTOR TAC500-NS-8: Sport Tactical 500 Electronic Hearing Protection Ear Muffs. 26dB NRR Bluetooth Black