This speaker provides exceptionally clear sounds and very impressive volume levels for your extreme enjoyment. Enjoy good sound with mute, volume adjustment, no need to handle audio device. High quality Bluetooth port, 10m Wireless transmission, Hi-Fi music enjoyment, high sound volume hands-free call, TF card and auido cable input, enjoy more. Wireless call, free communication, USB charging , convenient and swift.The integrated speaker phone also allows you to mute the music and answer calls seamlessly with the push of a button. Media Player Controls and Speakerphone Quickly skip songs or change the volume with the convenient media player controls on the speaker.