1.MULTIPLE CONNECTION WAY - Mini Bluetooth Speaker support Bluetooth, SD/TF card insert and USB/AUX input playing.2.HAND FREE FUNCTION - Built in Mic, the Wireless speaker allows you to answer, reject and end calls without holding your smartphone.3.SUPERIOR SOUND QUALITY - Mini Speaker offer high-performance(larger 45mm) drivers and bass. Just enjoy the wonderful music wherever you are.4.FANTASTIC DESIGN - Portable design, small size just fits the palm of your hand. FM Function and LED Moodlights, both are exclusive. Large capacity battery let the speaker works for up to 4 hours.5.PROVIDE MORE FOR YOUR NEEDS - Your satisfaction is our working aim. We provide 30-day no reason money-back guarantee .