HP Roar Bluetooth Speaker, White/Blue Premium Sound: New Smart Amp technology delivers fuller bass and clarity Portable: Cable free with up to 30 feet Bluetooth connectivity. Powered to perform: The rechargeable battery lasts up to 8 hours. New sound shaping software with a unique triangular design delivers enhanced audio sound. 6.8 x 3.7 x 2.9 inches Convenient speakerphone functionality Noise cancellation for clear calls Mute button capable Premium Sound: New Smart Amp technology delivers fuller bass and clarity Portable: Cable free with up to 30 feet Bluetooth connectivity. Powered to perform: The rechargeable battery lasts up to 8 hours. New sound shaping software with a unique triangular design delivers enhanced audio sound.