This speaker is wireless and is compatible with Bluetooth devices. it is your ideal home sound system all in one.the speaker has a good quality sound, it supports the radio function and it is portable. all you need is play music on your phone,tv or any other device then allow Bluetooth to connect with your phone or that device , and you will have good sound of music playing in your house. The speaker can be recharged with a usb cable and can be connected to other devices with an audio pin that comes with it.The power bank sold with it has a capacity of 10000Mah with 4 cables to charge multiple devices at once. it is good and will recharge your speaker.