TecBillion Bluetooth 3.0 Portable Wireless Speaker, Total 6W Output Power with Enhanced Bass and Stereo Sound, Build in Microphone for Handfree Phone Call, Red Designed with two 3W loudspeakers, this speaker delivers up to 6 watts of High quality crystal clear sound Featuring a sleek design that blends in at the office, around the house, or at a party. Bluetooth 3.0+EDR ensure a stable connection within 10 meters (barrier-free), connect in seconds to any Bluetooth-enabled devices including: iPhone, iPad, iPod, Samsung, Kindle, Smartphones, Tablets; play audio from laptops, PCs, and non-Bluetooth devices using included 3.5mm audio cable/AUX-IN jack. Built-in MIC for handsfree speakerphone phone calls from smartphones and iPhones, so you can conveniently pick up a call by this speaker in car, bathroom, cooking, or hiking etc. High capacity rechargeable 2000mAh battery for up to 8-10 hours of playtime; designed to be comfortable to carry with no square edges, so much better for travel & hiking, lightweigth and easy to fit in your backpack, suitcase, or a travel bag. Support TF card-it could automatically play the music with a stand alone Micro SD card. Intelligent voice prompt system make all things easy when use outdoor.