Spreed  Hands-free Wireless Bluetooth Speaker with Built-in Microphone for Smartphones and Tablets (White) Compact Bluetooth wireless speakerphone with built-in microphone and loudspeaker Superior audio quality, perfectly suited for conference calls, VoIP audio conferencing and music playback Echo-cancelling microphone with noise reduction and advanced audio processing Lithium-ion battery with excellent 8-10 hours runtime Compatible with all devices supporting Bluetooth - iPhone/iPad, Android/BlackBerry smartphones or PC/Mac/laptop - 3.5 mm audio cable included to easily connect the Spreed Conference Speaker to devices that don't have Bluetooth