Extended Playback Options: Enjoy your music with convenience, thanks to the built-in TF Card Slot, and a robust 400mAh battery for prolonged usage.Versatile Connectivity: Equipped with a 3.5mm port and a built-in microphone, these headphones provide flexible options for wired or wireless use.Comfortable and Durable: Designed in an over-ear form factor and constructed with sturdy plastic, these headphones offer comfort and longevity for your listening pleasure.