Waterproof Bluetooth Speaker,icefox S1 Outdoor Portable Wireless Bluetooth 4.0 Dustproof Speaker,Powerful Sound with built-in Microphone, 1400 mAh big battery (Black) Ideal for Outdoors  Its casing made of zinc alloy and durable silicon rubber makes it the perfect companion for all your outdoor activities. Going camping, hiking, or on a bike tour? No problem! Take your IceFox S1 portable wireless speaker with you and enjoy your favorite music anytime you want! icefox waterproof bluetooth speaker has two 40mm acoustic drivers (5W in total) which are powerful enough to create a blasting sound on a wide audio spectrum without being bulgy or taking too much space! Having a long trip? Its state-of-the-art Built-In Li-Ion rechargeable Battery holds up to 14 hours of playtime. Plus, as a little extra, weve integrated a microphone into your IceFox S1 portable wireless speaker, so you can use it as a speakerphone too. Hands-free and hassle-free! Easy Bluetooth pairing  Forget pin-codes or passwords.Dont have a Bluetooth device? No problem! Just connect your phone ormusic device into the 3.5mm Aux in Jack with a traditional audio cable (already included) and youre good to go. Dont have a music device either? Thats also not a problem! Just pop in a Micro SD card and your Mp3 music files will start playing automatically. Isnt that awesome? (The MicroSD is not included in the package, though).