Rockboom Keychain MP3 Speaker Chicbuds 2 watt amplified speaker for loud and clear sound ; authentic chicbuds Connect to any listening device with a standard 3.5mm stereo jack for up to 4 hours Use with MP3 player, iPod, iPhone and more; No batteries required - Rechargeable lithium-ion battery built-in Stereo cable and USB cable included; Approximately 1.25 inches across front Black with zebra print faux fur around sides; Front heart outlined in clear crystal studding