Specifications:This bluetooth-compatible media button allows you to control music at your fingertips with a single press when your smart phone/tablet is out of your side.It& 39;s a media control button that allows you to play or pause music, skip back or forward a song, increase or decrease the volume of your media.Convenient to use, small and compact.Item Name: bluetooth-compatible Media ButtonMaterial: ABS + Aluminium AlloyPower Supply: 1 x CR2032 (Included)Features: Wireless, Mini Size, PortableSize: 3.6cm x 3.6cm x 0.85cm/1.42" x 1.42" x 0.33" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x bluetooth-compatible Media Button1 x Button Battery1 x User Manual