Masione&reg; New Multifunction Waterproof Digital LCD Computer Cycle Cycling Bicycle Bike Speedometer Odometer High Quality Crystal Clear Sound: Distinct mids and highs from our two precision acoustic drivers delivers excellent stereo sound and enhanced bass from our proprietary passive bass radiator design. Built-in 2 x 40mm dual driver portable speakerphone with crystal clear sound and strong bass without distortion even at highest volume. Louder Volume and More Bass: The small speaker could provide 30% louder volume and richer Bass than Other competitors. The Crystal clear deep bass 3W + 3W HD loud speakers for both active outdoor and indoor use: room filling sound, perfect for home, dorm room, kitchen, bathroom, car, parties; streaming music or internet radio services such as Pandora and Spotify. Bluetooth 4.0 Technology: Connect over Bluetooth in seconds to: iPhone, iPad, iPod, Mac, Smartphones, Tablets, Windows 7,8,10---To play from Chromebooks, TVs and non-Bluetooth devices use the included 3.5mm audio cable connected to the AUX-IN jack --- BUILT-IN MIC for handsfree speakerphone from Smartphones and iPhones. Plays up to 30 feet (10 meters) from any Bluetooth-enabled device. Ultra Portable: Under 12 ounces, The portable Bluetooth Speaker's size:7x2.5x1.7 inches. High capacity rechargeable 1800 mAh lithium battery for up to 8 hours of playtime at 2/3 volume on a full charge. Suppot TF Card / U Disk to read and stored music files, you carry the multimedie library. Built-In FM Radio. So much better for travel and hiking, superlight and easy to fit in your backpack, baggage. What We Offer: Emopeak 1 x S1 Portable Bluetooth Speaker, 1 x USB Cable, 1 x 3.5mm Audio Cable, 1 x User Manual, 2-year warranty quality guarantee, 24h friendly customer service and email support.