Hi-res to the nth degree. All current and future Bluetooth audio formats are supported. This includes Qualcomm’s aptX and aptX HD, aptX Low Latency, aptX Adaptive, LDAC and HWA/LHDC, hi-res Bluetooth codecs created by Sony and Huawei respectively, AAC, Apple’s favoured format and SBC, the standard Bluetooth codec. This means every possible source device is covered, at the highest resolution Bluetooth specification. And future codecs can be added with Over the Air updates. Not all Bluetooth is created equal. Have utter confidence in the sound quality of the ZEN Blue V2. It uses Bluetooth5.0 , the very latest version, and the newest Qualcomm 5100 chip to process all incoming Bluetooth data. The ESS Sabre DAC chip is there to ensure an extremely smooth digital to analogue conversion.