FIIO BT11 USB C Bluetooth 5.4 Transmitter Audio Adapter QCC5181 LDAC aptX FiiO BT11 High-speed Bluetooth 5.4 transmitter, Qualcomm QCC5181 flagship chip Support LDAC Type: Bluetooth 5.4 transmitter Bluetooth chip: Qualcomm QCC5181 Support Codec: SBC / aptX / aptX LL / aptX Adaptive / aptX Lossless / aptX HD / LDAC Connection interface: USB Type-C (with Type-A converter) FiiO BT11 High-speed Bluetooth 5.4 transmitter, Qualcomm QCC5181 flagship chip, supports LDAC For use with Windows/macOS computers, PS5, Switch, iOS/iPadOS devices, You can share high-quality Bluetooth audio with two receivers simultaneously via the FIIO Control app. The device uses a quad-core processor architecture and two 240MHz Qualcomm Kalimba DSPs, providing powerful calculations for advanced and complex audio algorithms and tasks. It also supports Snapdragon Sound*, delivering an immersive lossless audio experience, LE Audio technology reduces audio latency to as low as 50ms, advanced PDS antenna technology, hear at a greater distance with greater clarity, RGB indicator lights clearly and instantly show the working status of the device Supports full Bluetooth codecs, full sound control Not only does it support LDAC and SBC codecs, BT11 also supports all Qualcomm aptX codecs, including aptX Adaptive, aptX Lossless, aptX, aptX HD, aptX Low Latency. Enjoy access to a variety of audio codecs. *AAC transmission is not supported yet.