Bluetooth Headphone Over Ear, Topdon TP550 Noise Cancelling Headphones Lightweight Wireless Bluetooth Headphone with Microphone Handsfree Bluetooth Headsets Circumaural Headphones Bluetooth ---- Wireless headphones with Bluetooth V4.0 technology. Over the ear design which provides a convenient Bluetooth connection for making calls or listening to music. Best Noise Cancelling Headphones ---- Cancelling background noise effectively makes you enjoy pure and high-quality music, suitable for all phones, tablets, laptops. Max Power ---- Integral 500mAh battery provides 2,000 hours of standby time and 18 hours for music streaming and phone calls. The Topdon TP550 offers the most power you can find in a high-performance Bluetooth headset at a budget-friendly price. Ultimate Comfort ---- Superior material on each ear cup cushion, fully adjustable head band, 180-degree rotation and the super lightweight space-age materials make these headphones a great choice for anyone looking to upgrade their listening experience. Micphone ---- Built-in microphone and call control buttons allow you to make and receive calls easily. On-ear buttons allow you to directly control the volume of phone calls from your headset.