Specification: Product Name: MP3 Speakers. Specifications of the band FM: Cover: 87 - 108 (± 0.55MHz). Sensitivity: ≤11dB. Distortion: ≤0.5%. SNR: ≥60dB. General Specifications of the Radio: Exit: 2 X 10W. Voltage: DC 12V. Color: Black. Size:112.5mm*73mm*43mm. Specifications of the LED Speakers: Voltage: 12V DC. Impedance: 4 - 8Ω. Frequency: 165Hz. Effective frequency range: Fo-12Khz. Distortion: <=5%. Enter: 15W. Maximum out: 30W. LED Light Color:Blue. Size:83.5mm*104mm. Features: Suitable for most of motorcycle, harly scooter, push scooter, electric bicycle etc. bluetooth connection listen to music, support USB/SD, Plug and play. bluetooth hands-free phones calls, Incoming number display and Bring electric bell. Audio output function (can connect one active subwoofer). Function clock. LCD display, Large buttons design. The radio collects the bands FM, AM is not available. The IPX 4 level waterproof function. Do not miss an sports event or a special flash information when you are on the road. With its solid case waterproof and its robust fasteners, the enclosures will constitute an addition of choice to your motorcycle, while the radio will collect the bands FM and the fasteners handlebar will make it practical and simple to use. Note: We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. All dimensions are measured by hand, Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm). Package included: 1 x Motorcycle audio main unit. 2 x LED Speaker. 1 x Power Cable. 1 x Anti-theft Remote Controller. 1 x English Manual. 1 Set x Host Mounting Brackets and Parts