Cihlex with both wireless bluetooth and wired playback options making it compatible for multiple device connectivity. The speaker allows hassle-free calling and comes with a built-in microphone. Comes with exceptional stereo surround sound and shocking extra bass with high treble, full midrange audio performance to give a wonderful theatre sound experience. With a built-in tf card and usb reader, the speaker allows you to play music directly from the flash drive without even a backup device. It also comes with control buttons on the top for ease of usability and control.