Description: 1. Ensue long service life. 2. This item is mutifunction, such as alarm, clock, mp3 player, FM radio. 3. Bluetooth let your hands free. 4. Supportive of USB,SD,TF. Plug and Play. 5. Bulit-in Microphone, Incoming Display, Phone Ring Tip, ensue that you can catch every phone call. 6. Be suitable for any motorcycle and electric bike. 7. Solid case and waterproof. 8. Easily install and simply use. Specification: Voltage: DC 12VSpeaker Colour: Black Shell, Silver Front ShroudHost Colour: Black with Blue/Red ButtonsSpeaker Material: PlasticFunction: MP3, Alarm, Clock, FM RadioGeneral specifications of the radio: Exit: 2 x 15WHost Dimensions: 12 x 6 x 2cmSpeakers: LED Color: Purple (Light can be disabled with minor modification) Impedance: 4 - 8OFrequency: 165HzEffective frequency range: Fo-12KhzDistortion : Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin