LiteXim Bluetooth Speaker, Car Wireless Mini Speaker LED Color Changing Ball Lights Super Bass Effect Sound Bluetooth Speaker with Microphone for MP3 Players, Smart Phones, Laptops and Other Devices 7 Colors light performance. Lighting changes with the music Built-in Bluetooth wireless module, meets the latest Bluetooth 2.1 + EDR standard.Support Bluetooth stereo, excellent sound quality, shocking bass Bluetooth music control function, controlled play / pause,change songs.3.5 stereo audio input interface, easy connection with laptops, digital music players and other audio-visual products Bluetooth hands-free function, built-in high-fidelity microphone core, press one key to answer the call Music playback time for about 3-5 hours, 10M audio transmission distance. Built-in lithium battery, MICRO USB interface to charge