Podofo Hi-Fi Portable Speaker Wireless Bluetooth 4.0 Speakers with 6 LED Visual Display Mode, Build in Microphone Hands-free Function for MP3 iPad PC and Smartphone 6 LED Visual Display Mode Speaker----6 kinds of music pulsating LED visual display mode. Built-in 88 three-color RGB LED lights, 360-degree LED pulsating music. Compatible With Different Device----iPhone, iPad, HTC, Samsung, laptops and other devices with Bluetooth function easy to pair and play music. with 3.5mm external audio player With professional DSP audio processing chip---support EQ adjustment; Bright treble, alto mellow, deep bass, bringing you the perfect music to enjoy Touch Panel function----No need to press the key, just need touch the key can switch the function you want. Easy and sample to operate it. Longer Battery Life---High-capacity battery, support USB charging. Up to 10 -15 hours of music play (depended on the size and source of music).