Osaier Bluetooth Speakers - Outdoor & Sport Stereo Bluetooth Wireless Speaker [ HiFi Sound Experience, Support Handfree & Microphone and TF Card ] - Green Novel appearance design: Applied ABS plastic + iron mesh + silicone pad material, perfectly makes it reliable, chic & high-end. Universal compatible for iPad, iPad2, iPad mini, iPhone, Samsung Galaxy High quality ensurance: Adopt double full-range loudspeakers (2* 40mm 3W) with super bass diaphragm & separate loudspeaker cavity, fully expresses a wide variety of music, best for music enthusiasts Wireless bluetooth transmission: Applied Bluetooth 4.0 technology, get rid of your hassle that audio cable is too short or too long. Place and play the speaker at any where you want. Hands-free call: Built-in microphone, connect the speaker with the phone via bluetooth, realizes an utra-clear phone communication with 0 radiation. Support TF card & U-disk playback, and FM Radio function.