MGR250B Remote This four-channel remote is the perfect option to control most BOSS Audio Systems.  Features: * 4-channel * Cutout diameter: 3' (76 MM) * Zero current draws memory * Illuminated soft-touch buttons * Conformal-coated PCB * 60 watts x 4 channel * IPX6-rated (weather-resistant/ dustproof) Inputs & Outputs: * USB port * USB charging (2A)* * Aux-In * Compatible with audio output from iPhones, smartphones, and MP3 players * Pre-amp outputs (1 pair) Playback: * MP3/WMA * Bluetooth® audio streaming stream and control your favorite music apps Dimensions: * Unit (L' x W' x H'): 3.5 x 3.78 x 3.78 in. * Unit Weight (lbs.): 0.66 * Shipping Weight: 1.066