The iLive Wireless Headphones Bluetooth (IAHB16CR) are designed for live monitoring with a 40mm driver size and a comfortable headband form factor. The red headphones come with built-in microphone, wireless Bluetooth technology, and a micro SD slot for added convenience. With an impedance of 32 ohm, the headphones offer quality sound for a variety of uses. The model also includes an aux in for corded use, making it versatile for different scenarios. The charger is included, ensuring you can enjoy your music without worrying about running out of battery.