Specifications:Use the bluetooth USB insert to the speakerOpen the function of the phone's bluetoothUse the phone's bluetooth function to search DL-Link bluetooth deviceFind the DL-Link bluetooth device and pair it. The password is "0000"Use the phone playing music・ and you can enjoy the music immediatelyMain Features:Bluetooth v2.0 with EDR for superior wireless performanceTransmits up to 10 meters awayWorks with the speaker which has 3.5mm line-in jackPowered by 5V USB