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The Questyle QCC Dongle Pro is a USB-C Lossless Bluetooth transmitter based on a Qualcomm Snapdragon Sound chip, allowing it to transmit high-fidelity codecs: aptX, aptX HD, aptX Adaptive, aptX Lossless and LDAC. This enables you to easily enjoy high-resolution audio for Hi-Fi listening or gaming, notably thanks to support for the UAC1.0 protocol via its USB-C input and the aptX Adaptive codec for extremely low latency. This Questyle product is also MFI certified for plug-and-play compatibility with iOS devices. A dedicated application allows you to easily control the QCC Dongle Pro for simplified use. Finally, an LED indicator allows you to quickly identify its operating status.
The Questyle QCC Dongle Pro features a Qualcomm Snapdragon Sound Bluetooth 5.4 chip for optimal performance and support for high-resolution codecs: aptX, aptX HD, aptX Adaptive, aptX Lossless and LDAC.


An LED on the dongle allows users to quickly identify its operating status at a glance.


The Questyle QCC Dongle Pro offers extensive compatibility. Thanks to its MFI certification, it provides plug-and-play compatibility with iOS devices. In addition, it is also supported by many gaming consoles such as the PS5 and the Nintendo Switch, delivering low-latency audio performance (down to 40ms).
Technical specifications
| Specifications | |
|---|---|
| Product type | Bluetooth transmitter |
| Bluetooth chip | Qualcomm Snapdragon Sound |
| Input | USB-C |
| Output | Bluetooth |
| Supported Bluetooth codecs | SBC, aptX, aptX HD, aptX Adaptive, aptX Lossless and LDAC |
| System compatibility | Win XP / Vista / Win7 / Win8 / Win 10 / Win 11 / Linux / Android / Harmony OS / Harmony OS / Mac OS / iOS |
| Transmission range | 10m |
| Operating frequency | 2.402GHz - 2.480GHz |
| MFI certification | |
| Shell material | Polycarbonate + ABS |
| General | |
|---|---|
| Power supply | 5V USB |
| Power consumption | 37mA (24bit 48kHz, LDAC) |
| Dimensions | 25.2 x 10.3 x 15.25mm |
| Package contents | 1x Questyle QCC Dongle Pro 1x USB-C to USB-A adapter |
| Input | USB |
| Output | Bluetooth |
| DAC / ADC Chip | NC |
| Color | Gray |
| Transmission / Reception protocol | Bluetooth |
| Supported Bluetooth codecs | aptX High Quality |
| Supported Bluetooth codecs | SBC |
| Supported Bluetooth codecs | aptX HD |
| Supported Bluetooth codecs | LDAC |
| Supported Bluetooth codecs | aptX Lossless |
| Supported Bluetooth codecs | aptX |
| Supported Bluetooth codecs | aptX Adaptive |