Leoie 12V Motorcycle Stereo Speakers Bluetooth Audio Radio Sound System MP3 USB for Honda Kawasaki Colour:Silver   Description: Name of the product: Speakers Color: Golden/sliver Material: Metal Size: 20x6.5cm Input voltage: DC12V Frequency range:87.5~108MHz Intermediate Frequency:10.7MHz SNR: 40dB Noise sensitivity: ≤37dB Output: Speaker output Speaker impedance:4~8Ω Maximum actibe output power:3Wx2 Maximum output power:5Wx2 Dimensions: Length is about 20.5 cm (excluding brackets), length is about 30.5 cm (including brackets), cylinder diameter is 6 cm, suitable for handlebars distance is 25-28 cm, handlebars diameter is 2-2.2 CM model Included: 1 x Speakers 1 x user manual 1 x Wrench The colors deviation might differ due to different monitor settings, please kindly understand. Please tell us first when you have any problem, we will give you the best service and solve the problem ASAP. Thank you so much.