Foldable Over-Ear Bluetooth 5.1 Headphones – BlackBluetooth Wireless Foldable Headphones These wireless headphones support Bluetooth 5.1 technology, allowing quick and easy connection to devices. They support A2DP, AHSP, and HFP profiles for streaming music and making hands-free calls. With high-performance 40mm speaker drivers and a built-in microphone, they provide rich, balanced audio. The adjustable headband and soft, cushioned earpads ensure comfortable listening. Powered by a rechargeable 200mAh lithium battery, they provide up to 8 hours of playback and can be charged from PC or optional USB charger (USB cable included). These wireless headphones support Bluetooth 5.1 technology, so you can connect them to your devices quickly and easily. They support A2DP, AHSP, and HFP profiles for streaming music and making hands-free calls. You may also play music from a TF Micro-SD card or a 3.5mm Aux audio source (with the included 3.5mm audio lead). These headphones feature high-performance 40mm speaker drivers that deliver rich and balanced audio and a built-in microphone for hands-free phone calls. The adjustable metal headband allows you to adjust the length to fit your head shape. The soft, cushioned earpads provide a comfortable listening experience for hours. The foldable design of the headphones makes it easy to take them with you on your travels. The headphones are powered by a rechargeable 200mAh lithium battery that provides up to 8 hours of playback. Enjoy high-quality sound and comfort with these wireless headphones. And you can charge the headphones from your PC or an optional USB charger with the included USB-C cable. BT 5.1 technology offers fast transmission speed and high-quality audio streaming signal. Supports A2DP, AHSP, and HFP profiles. Supports playing music from inbuilt TF Micro-SD player. Includes 3.5mm audio cable for hard-wired option. 40mm High performance speaker drivers. Built-in microphone enables hands-free calls. Ergonomic Design, foldable and adjustable metal headband. Comfortable cushioned earpads. Built-in 200mAh rechargeable lithium battery to support up to 8 hours of music or talking time. USB-C charging port (Includes USB to USB-C charge cable).