NOISE REDUCTION The Flexible Bluetooth Neckband is a passive protection headset with high dynamic range speakers; It provides impressive passive hearing protection of 30 NRR (Noise Reduction Rating) while providing Bluetooth connectivity to enabled devices. BLUETOOTH CONNECTIVITY Bluetooth connectivity allows you to listen to music, answer, end, or reject calls or even redial last number with just a press of a button on your neckband (Bluetooth Only For Music/Phone Calls). COMFORTABLE FIT This headset includes 3 pairs of foam earbuds (S/M/L) to ensure a proper fit and maximize drowning out ambient noise; Durable aluminum earbuds join magnetically when worn down and 22.5 nylon cable gives you control and comfort during use. EASY TO STORE This hearing protection headset comes with an EVA Storage Case which protects your earbuds from dust, debris, scratches, and damage while stored in a bag or pocket; With this carrying case your earbuds will last and keep a good look much longer. Features: Durable Aluminum Ear Buds Ear Buds join magnetically when worn Nylon camo 22.5 cable High dynamic range speaker Passive protection Bluetooth only for music/phone calls Rechargeable battery 15 hour battery life (4 hours Bluetooth streaming) 12 USB charging cable 3 pairs of foam ear buds (S/M/L) EVA storage case