The Monster Sport Victory In-ear Wireless Headphone has a whopping 8+ hours of playback, making them a great option for road warriors, or simply, those who don't want to constantly charge their headphones. With a new premium, compact, and lightweight design, you'll hardly know that they are in your ears. High noise isolation gives you extreme focus for extreme results. Monster has even given the Victory Bluetooth wireless sports headphones two different modes exclusively designed for working out warm-up and sports. Victory Bluetooth is tailor-made for the athlete in everyone.