Generic Original Bluetooth Mini Speaker Portable Mini Speaker Mobile Mini Speaker,waterproof Speaker,black -built-in Bluetooth 3.0 technology with active pairing so you can wirelessly pair your Bluetooth enabled device and play your tunes without getting wires tangled -The Bluetooth works within a 35 foot range so you've got the freedom to move around with your phone without having to carry your speaker with you -It works using a suction cup, which attaches itself to the back of your devices at a comfortable angle either in portrait or landscape orientations -Bluetooth speaker includes a simple button interface on the front of the speaker - allowing you to skip forward and back tracks, as well as control the volume of the music. -Integrated mic for handsfree calls.mini size,but stable bass sound