Brand: RadioShack. MPN: 3304392. Built-In Microphone & Hands-Free Operation: Equipped with the internal microphone and hands-free function, these over-ear Bluetooth headphones allow you to take calls and adjust the volume, keeping you productive and connected throughout the day   Sleek Design: With a striking design, these headband headphones combine style and functionality, making them a statement accessory while delivering premium audio quality and performance   Long-Lasting Battery Life: With a high-capacity 350mAh battery, these wireless over-the-ear headphones provide up to 6 to 8 hours of continuous playback, ensuring extended use without the need for frequent recharging   Advanced Wireless Headphones: Bluetooth over-ear headphones provide seamless connectivity and stable wireless transmission with Bluetooth V5.3, ensuring quick pairing and reliable wireless streaming for immersive audio content and phone calls   Comfortable, Secure Fit: Made with comfort and stability in mind, these ergonomic wireless Bluetooth headphones feature an adjustable headband and soft ear cushions for a snug and cozy fit, whether you're working, exercising, or just relaxing at home