Koso Rx-4 Universal Bluetooth TFT Meter The Koso Rx-4 Universal Bluetooth TFT Meter brings essential information straight to your view with its comprehensive display of speedometer, odometer, tripmeter, among other features. Enhanced with Bluetooth connectivity, it integrates seamlessly with your phone, ensuring that you stay connected with incoming call alerts and music streaming capabilities. This device is designed for the modern rider seeking both functionality and the ease of staying connected on the go. Bike Functions: Speedometer Odometer (internal and external) Tripmeter 1, 2 Low fuel mileage Oil maintenance interval Max. speed record Gear indicator 1-6 Tachometer 0-18k RPM Shift light Max. RPM Overheat warning A, B setting Fuel meter with 6 levels Fuel warning setting A/F ratio meter Clock Volt meter Low voltage warning Target speed Max speed Bluetooth Functions: Bluetooth connection status Phone battery Incoming phone call up to 12 characters Music playing info Song Artist Song time Other Functions: Auto brightness adjustment Backlight color, 5 options Indicator lights ABS Turn signals Check Engine Composite warning light Neutral High beam Motor oil Note: See instructions for detailed installation directions. Some Bluetooth functions not available for Android.