<ul><li>The headphones support TF card playback for convenient music access.</li><li>They work both wirelessly via Bluetooth and as wired headphones when needed.</li><li>The headphones feature easy controls to manage music and calls effortlessly.</li><li>The adjustable headband ensures a comfortable fit for different head sizes.</li><li>Their foldable portable design makes them easy to carry and store.</li><li>The standby time of the headphones is up to 120 hours.</li><li>They provide up to 4 hours of continuous usage on a single charge.</li><li>Powered by a 250mAh rechargeable lithium battery for reliable performance.</li><li>Functions include adjusting volume, switching songs, answering or rejecting calls, ending calls, Bluetooth playback, handsfree calling, telephone replay, Bluetooth back function, voice prompts, power display, FM radio, TF card playback, and EQ settings.</li></ul>