2-in-1 Audio Barbie Headphones for wireless music listening via Bluetooth 5.0 (up to 10 m range) or connected with the detachable Aux-In cable (included). A super cute design with glowing ears and sides when the headphones are turned on. Featuring a built-in microphone, play/pause, and volume buttons to control your music and answer calls. Multi-connectivity with Aux-In input and SD/TF card slot. Compatible with all smartphones, tablets, audio, and video players equipped with Bluetooth or a 3.5mm headphone jack. Rechargeable battery: several hours of battery life in wireless mode. Unlimited playtime in wired mode. Sturdy, lightweight, and foldable, it fits into a bag and can be taken anywhere: to school, on trips. Adjustable, it adapts to all head sizes: adults, teens, children, boys, and girls. It's super comfortable for everyone!.