Our Wireless Bluetooth Headphone With Mic offers an immersive audio experience for music lovers on the go. With Bluetooth V5.0 and MP3 function, you can enjoy stereo music and phone calls with ease, while FM radio support provides crystal-clear audio quality. Compatible with all audio devices with Bluetooth capability, it comes with a 3.5mm audio jack for wired connections. With a built-in microphone, you can answer or reject phone calls at any time and anywhere. These headphones are rechargeable via USB, with a battery life of up to 20 hours for playing time, 15 hours for talk time, and 360 hours of standby time. The foldable design and adjustable hinges make them comfortable to wear and easy to carry, while the cool, shining outlook adds a fashionable feel. With an SD card insert, you can even enjoy music anytime, anywhere, without any Bluetooth device. Upgrade your audio experience with them today!