... CE,FCC,RoHS Model: VTB-99 DSP BC04 program Bluetooth car kit rearview mirror with record function Ultra-thin Bluetooth Rearview ... ), transfer the sound of music or phone talking voice to car stereo. 4. DSP technology,Full Duplex, Noise Reduction& Echo suppression. 5 ... device for software update.Parts::1pcs bluetooth rearview mirror , 1PCS Car Charger&USB Cable 1copy of English instruction manual.e .1FM ...