Ottocast adapters plug into a vehicle's USB port to bridge wired Apple CarPlay into a wireless connection. The device acts as a middleman between the iPhone and the infotainment system, handling communications wirelessly after an initial Bluetooth pairing. Once set up, the adapter remembers the phone and reconnects automatically when the car starts.

The interface remains the standard Apple CarPlay experience, with full support for touchscreen, steering wheel controls, microphone, and vehicle speakers. Ottocast is not Apple-approved, so compatibility may vary, and alternatives like AAWireless and Carlin Kit exist. Pricing varies by model: the Mini Cube lists at $49 and supports both wireless CarPlay and Android Auto in a compact, right-angled design.

The Mini adapter costs $59, while the iPhone-only U2Air Pro is similarly priced at $59. Other models like the Mini Slim offer USB-A to USB-C support. All adapters require the car to support wired CarPlay initially.