1. Wireless bluetooth hands-free motorcycle audio kit(Main unit+2 x Speaker)2. High fidelity stereo design, LCD display with function clock3. Allow you to listen MP3 music from bluetooth device or FM radio without cable connection4. bluetooth synchronous broadcasting,you will not miss the retransmission sport event,a special flash information of when your are on the road5. Support MP3 music from USB or SD/TF card(not Support 35mm external connection of MP3 players or etc, not being a sound box)6. Support full-band FM channel(AM band is not available)7. Built-in high-sensitive MIC to support hand-free call8. Has warning when the phone rings,voice prompt when change modes9. Remote control has a built in AUX input and background light for dark conditionsSpecification:Voltage: DC 12VSpeaker color: Black housing, Silver front coverHost Color: black with blue / red buttonsSpeaker Material: plasticFunction: MP3, alarm, clock, FM RadioGeneral radio specifications:Output: 2x15 WSpeaker Specifications:Impedance: 4-8 Frequency: 165HzEffective frequency range: Fo-12KhzDistortion: less than equal 5%In: 15 WMaximum output: 30 WConnection: 2 cables (approximately 100 cm each)Dimensions: standard 3 inch, size 8x8x105 cmCable Length: Approx85cmFitment:Fit For Most MotorcycleType: Bluetooth Connectioncolour:Black+silverMaterial:plasticPackage Contents:2 x Speaker1 x Main Control Unit2 x Holder1 x Remote Control1 x Screw Kit1 x Mounting Clamp1 x Connecting LineOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.