Users often encounter as an "Unknown Device" or a service with a yellow exclamation mark in the Windows Device Manager after pairing a Bluetooth headset.
airoha_iap2 is not a public-facing application or a standard library. Instead, it refers to a proprietary software component (often a library, SDK module, or firmware blob) developed by , a Taiwanese fabless semiconductor company (now a subsidiary of MediaTek). This component implements Apple's iAP2 (iPod Accessory Protocol 2) protocol on Airoha’s family of Bluetooth and SoC (System on Chip) solutions, most notably their popular AB153x, AB156x, and 1565 series used in tens of millions of true wireless stereo (TWS) earbuds and headsets. airoha_iap2
The exposed API is usually callback-driven: the developer registers handlers for events like iap2_connected , battery_level_request , or firmware_chunk_received . Users often encounter as an "Unknown Device" or