BLUETOOTH 5.0 CONNECTIVITY: Enjoy fast, stable, and seamless wireless connection with your smartphone, tablet, laptop, and other Bluetooth-enabled devices. POWERFUL STEREO SOUND: High-quality drivers deliver rich, deep bass and crystal-clear audio for a truly immersive listening experience on every track. BUILT-IN HD MICROPHONE: Features a crystal-clear hands-free calling microphone with convenient one-touch control buttons for answering and ending calls. VERSATILE PLAYBACK OPTIONS: Supports Bluetooth, 3.5mm AUX input, and a built-in SD card slot, allowing you to play music without needing to connect your phone. FOLDABLE & COMFORTABLE DESIGN: Lightweight, foldable on-ear design with soft cushioned ear pads makes these headphones easy to carry and comfortable for extended use.