This Speaker Has Exceptional Clarity of Sound and a Built-in Amplifier for a Surprisingly Loud Volume</br>Connect any MP3 player or phone via the Bluetooth or 3.5mm AUX cable Answer phone calls using the speakers built in microphone and call answer Feature.</br>Includes a 4000mAh Rechargeable Power Battery Pack for up to 15 hours of continues play or charge mobile phones</br>Sturdy case stores your Sunglasses phone or MP3 Device and protects it from shock and weather</br>Package contents: Portable Bluetooth Speaker*1Pc micro USB cable*1Pc 3.5mm audio cable*1Pc instruction manual*1Pc.</br></br>Product Description</br></br><b>It's a bike-mounted music player</b> <br> <br> You'll be surprised at this speaker's exceptional sound quality as well as its size-to-volume ratio that's thanks to an onboard amplifier. It connects to any phone or Mp3 player with Bluetooth or standard 3.5mm jack. The speaker's external volume controls work in auxiliary mode and a headphone jack offers private listening. While designed for bicycles the speaker is a wonderful music companion that's perfect for travel beach-going and jogging. <br> <br> <b>Protective hard case/pouch</b> <br> In addition to its music-playing abilities it is designed as a bike-mounted protective pouch and carrying case. The case features a sturdy exterior and a roomy?? no-scratch interior where you can store your phone?? mp3 player?? headphones?? sunglasses and other on-the-go items. It provides protection from shock and weather. <br> <br> <b>Key Features </b>