Immerse yourself in comfort and convenience with these Oppo Bluetooth Headphones, They feature extra soft ear cups for all-day comfort, perfect for extended listening sessions or webinars. Built-in music controls and a microphone allow you to answer calls, adjust volume, and skip tracks directly from the headphones, keeping you in control of your audio experience. Enjoy up to 4 hours of playback at max volume on a single charge, and with a quick 3-hour charge using the included Micro USB cable, you'll be back to listening in no time. Also included, a handy auto-off function to conserve battery and a 3.5mm cable for wired connection. Bluetooth connectivity offers a wireless range of up to 10 meters (33 feet) for freedom of movement.