Introducing the 2-in-1 Bluetooth Foldable Headphones with Safe Volume for Kids. Designed for young music enthusiasts. this product delivers exceptional sound quality in a kid-friendly design. 2-in-1 audio headphones to listen to your music wirelessly in Bluetooth 5.0 (up to 33 ft range) or plugged in with the removable jack cable. With built-in microphone. play pause and volume buttons to control your music and answer phone calls. Compatible with all smartphones. tablets. audio and video players equipped with Bluetooth or with a 3.5mm audio jack output for headsets. Rechargeable battery: several hours of battery life in wireless mode. Unlimited playing time in cable mode. Robust. lightweight. and foldable. it fits in a bag and can be taken anywhere: at school. when traveling. Adjustable. it adapts to all head sizes. Sound limited to 85 dB to protect the ears.