Wind3 offers portable audio for your cycling adventures. Effortlessly dock to bicycle or motorcycle handlebars. LED display is easy-to-read even while riding. Playback via Bluetooth FM radio TF/Micro SD and Aux in. Choose Sport mode for the outdoors or Bass mode for indoors. Hands-free phone calls with built-in microphone. IP67 Waterproof and dustproof. Frequency response: 110H-20kHz. Dimensions: 3.54"W x 2.88"H x 1.4"D. Includes: Dock/Handlebar mount. Type-C charging cable.