The Skullcandy Riff On-Ear bluetooth headphones feature up to 12 hours of playback time! When the Riff bluetooth headphones are not in use, they can be charged in ten minutes to provide two hours of playback time. Colours: Black. Sizes: 160mm(h) x 80mm(w) x 170mm(d). Brand Name: SkullCandy. Features: The Riff bluetooth headphones feature memory foam ear cushions, built in microphone and music controls to control the volume, track, or answer an incoming call. The collapsible lightweight design make the cassette perfect for any travel. Included is a Micro USB charging cable. Packaging: Retail quality premium gift box. Materials: ABS Plastic