ATOTO Car Stereo Headunit. ATOTO Accessories. Warranty For ATOTO Product. ATOTO Certificates. 4G LTE for an independent, stable internet connection—no phone hotspot required. [Dual Bluetooth & Custom Compatibility]: BT1 & BT2 for simultaneous phone and device connections; BT2 supports internet access or OBD2 scanning; BT1 for calls, audio streaming, and voice assistant; wireless Android Auto & CarPlay support.
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