Foldable wireless headphones made from recycled ABS (100% rABS). They work with BT v5.4 transmission, have a micro SD card reader and a 3.5mm AUX jack input, which allows you to use the headphones via an audio cable, even when the battery is flat. The battery has a capacity of 300 mAh, which provides an autonomy of approximately 20 hours. The built-in microphone and buttons on the headphones allow you to answer calls, control the volume and playlist on your mobile device. Includes a USB-C charging cable and a 3.5mm audio cable. Supplied in a kraft paper gift box