Feature:1. Characteristic: motorcycle speaker has built in digital amplifier, supports 3.5mm audio jack AUX, USB and memory cards (not included), MP3 format, FM radio and digital clock display.2. Application: The speaker is perfect for motorcycle, scooter, ATV, electric bike, etc, IP54 waterproof rating, perfect for outdoor use. Please note that USB charging is not supported.3. Wireless Speaker: The wireless speaker streams your favorite music and radio channels from your smartphone. power output is 3W, sound output is 110DB, speaker impedance is 4‑8Ohm.4. Easy Installation: Motorcycle speaker waterproof is easy to install, plug and play, standard 12V power connection, built‑in installation tool, suitable for 7/8‑1.25 inch handlebars.5. Wide Compatibility: Motorcycle stereo speaker is compatible with for iPhone 6 7 8 X XR XS SE 11 12 13 Pro Max, support for device, support for Galaxy S Note series. Connections up to 10m.Specification:Item Type: Motorcycle SpeakerSize: Approx. 20.5x6cm / 8.07x2.36inMaterial: Aluminum Alloy Version: 2.1 and EDRVoltage: DC12VWaterproof: IP54Fitment: 7/8-1.25in HandlebarsCharacteristic:1. wireless2. 3.5mm audio jack AUX IN3. USB 2.04. Memory card slot5. FM radio6. With clock display