Features
Supports Bluetooth 2.1+EDR and FM radio
Professional Bluetooth speaker for Motorcycle
With a display, can display the radio frequency and current playing information
Equipped with USB interface, TF card slot and AUX-in interface
Supports MP3/WMA music format
Can play music from cellphone via Bluetooth 
General Specs
Brand & Model CA-0511 MT487
FM Frequency Range 87.5-108MHz
SNR 40dB
Noise sensitivity ≤37dB
Frequency response 100Hz~10KHz±6dB
Speaker impedance 4-8Ω
Power Supply DC12V