Listen to music in style with the JoJo Siwa Fashion Headphones; These pretty headphones feature a fun, colourful bow; There is an in-line microphone attached to the JoJo Siwa headphones which is compatible with most mobile phones. The JoJo Siwa headphones also have an adjustable headband with soft comfortable ear cushions and works with Smartphones, Tablets, MP3 Players and Computers; Unique & Detailed JoJo Siwa Graphics & removable Head Bow. Built-in Microphone. 1m cord length. In-line with microphone for calls and track control controls. Adjustable headband. 3.5mm jack . Compatible with universal smartphones. In the box: JJ-M48 Headphones. Model number: JJ-M48. Warning - Not suitable for children under the age of 3 years due to small parts and entanglement hazard. Caution ; To prevent possible hearing damage, do not listen at high volume for long periods.