NUTK Bluetooth Speaker, MINI Desk Office Wireless Powerful Sound Portable Speaker with Radio function,USB and TF card port,Works for Ipad,Iphone,Samsung,Huawei and Other Music Players High quality Codec IC is equipped to improve the audio quality; Noise and echo cancellation technologies are adopted to perfectly display the sound in 360 dimensions Handsfree Portable Speakerphone with Built-in Mic, 6hrs of playtime, Control Buttons and Dedicated Suction Cup for Showers, Bathroom, Pool, Boat, Car, Beach, & Outdoor Use Equipped with the advanced Bluetooth 4.0 technology, compatible with all Bluetooth-enabled devices (Bluetooth V3.0 and over) Clear, full-range sound you might not expect from a compact speaker.Voice prompts make pairing your devices easier than ever NUTK have greater depth, a stronger infrastructure and pioneering technology to deliver even better solutions to you. we are proud to help you bring reliable, affordable, sustainable product to consumers around the world. please see more click NUTK