World-Class Environmental Noise Cancelling HeadsetEKSA Bluetooth wireless headphones adopt environmental noise cancelling chipset technology, monitor the background noise and instantly produce an opposite signal, eliminating up to 99. 6% unwanted disruptive noise. Designed for truckers, call centers, construction sites and warehouses, etc. 99ft Ultra-Long Wireless ConnectionThis Bluetooth Trucker Headset with microphone features a long wireless operating range up to 99 feet/30 meters away for better connectivity, fast transmission and better stability. The Bluetooth headphones with a microphone can pair with 2 devices at the same time, ideal for switching between listening to music and clear calls. 30 Hours Talking Time & Mute ButtonKeep talking all day with a battery that's built to go the distance. This massive rechargeable battery supports up to 30 hours of talk time and 57 hours of continuous music time, and it charges fully in just 1.5 hours. Power display can h