Check the listing for details. Motorcycle Bluetooth Handlebar Waterproof Speakers Audio System FM Radio MP3. Condition: New. Listed at 33.99 USD. Description: This is a waterproof 3" motorcycle stereo speaker with built-in Bluetooth A2DP stereo & power amplifier. Now you can stream the stereo music wirelessly and answer the call from the Bluetooth mobile phone, or any other device with Bluetooth adaptor. Function: Built-in bluetooth(less than 6m), LCD Support answering phone, show telephone number Support USB, TF card carrier, Waterproof design, handles all weather conditions Charging phone while listening to the music Phone dialing function Specification: FM: Cover: 87.5 - 108 (± 0.55MHz) Sensitivity: ≤11dB Distortion: ≤0.5% SNR: ≥60dB General specifications of the radio: Exit: 2 x 10W Voltage: DC 12V Color: Black Specifications of the speakers: Voltage: 12V DC Impedance: 4 - 8Ω Frequency: 165Hz Effective frequency range: Fo-12Khz Distortion: