computer bluetooth speakersSpecifications: -Best Rechargeable Li-Battery -Smart hd infinite HIFI sound - Suspended decline HIFI sound effects - TF Card HD Audio Decoding - Audio input Computer Speakers - Smart Voice Prompt Navigation -Radio automatically search station -Bluetooth high-definition calls - Bluetooth audio play - Respond the coming call number -LINE port:3.5 audio input port -Support FM radio, TF Card, Bluetooth and line-in mode -Built-in Microphone for hands-free - Perfect stereo sound with led color : Black , white , red, pink, blue Please choose what color you need , Otherwise we will ship mix colors for you . Hope you could understand it .