【Bluetooth 5.3】Featuring the latest Bluetooth 5.3 and support for Qualcomm aptX Adaptive, aptX Low Latency, aptX HD, aptX, AAC and SBC decoding. NOTE: AAC is only available in receiver mode, while aptX Low Latency is only available in transmitter mode 【Best-in-Class Audio】Built-in SABRE DAC which is widely recognized by audiophiles as the gold standard for audio performance, this allies perfectly with the Qualcomm chip. Allowing you to enjoy the superior resolution and detail, consistently deliver excellent signal to noise ratio 121dB. The true Hi-Fi Audiophile Digital to Analogue Converter DAC allows 1Mii HiFi adapter to decode and play audio files in all their lossless glory 【Extend Long Range】Utilizing Class 1 Bluetooth technology and designed with dual antennas, 1Mii B03Pro Bluetooth transmitter receiver can achieve a range of up to 265ft (80m) line-of-sight in open air and up to 80-110ft (25-35m) indoors. *NOTE: Operation range can be affected by Wi-Fi routers, wireless TV adapter, physical obstructions like walls, metal obstacles etc. and also depends on receiving device 【No Lip Sync Delay & Dual Stream】aptX Low Latency technology eliminates Bluetooth audio delay, and B03Pro supports dual link Simultaneously, pair with two Bluetooth headphones/speakers, both enjoy ultra-fast audio streaming. **Note: To achieve low latency ( <40ms delay), your receiving device must also support aptX Low Latency, or you may experience a 70-220ms delay 【Mindless Operation】Simply plug audio cable and press the power button to start, the Bluetooth adapter will detect your Bluetooth device easily. Compatible with 99% of TVs, Bluetooth headphones or speakers, Home stereo system, supports Optical, AUX, RCA Audio outputs / inputs 【NOTE】1Mii B03Pro Bluetooth Transceiver cannot work in both receiving (RX) and transmitting (TX) modes at the same time, the user must select one of the modes to use. Contact after-sales for connectivity issues 1.Dual Link No Delay AptX Low Latency technology eliminate Bluetooth audio delay, so you can watch TV / Movie / Video in perfect synchronization. Dual link feature of 1Mii B03 Pro Bluetooth adapter also enables simultaneous streaming to 2 headphones or speakers. 2.AptX HD Featuring the latest Bluetooth 5.3 and support for Qulacomm aptX HD, Pick up any kind of music for you lossless and wirelessly. Simple switch to alternate between HD and low latency priority If your device supports both codecs. 3.Extend Long Range Utilizing Class 1 Bluetooth technology and designed with dual antennas, 1Mii B03Pro Bluetooth transmitter receiver can achieve a range of up to 265ft (80m) line-of-sight in open air and up to 80-110ft (25-35m) indoors. ** Operation range can be affected by Wi-Fi routers, Wireless TV adapters, physical obstructions like walls, metal obstacles etc. and also depended on receiving device.** 4.Audiophile Grade DAC Built-in SABRE DAC which are widely recognized by audiophiles as the gold standard for audio performance. This allies perfectly with the Qualcomm chip. True Hi-Fi 384kHz/32-bit upsampling Audiophile Digital to Analogue Converter DAC allows 1Mii HiFi Adapter to decode and play audio files in all their lossless glory. 5.Qulacomm Bluetooth 5.3 Featuring the best in class Bluetooth 5.3 technology and Qualcomm CSR8675 Bluetooth audio chip which is a premium low-power solution designed to deliver high quality wireless audio performance, 1Mii ensures a stable and superior Bluetooth audio experience. 6.Flexible Connection Supports both analog (RCA / 3.5mm AUX audio) and digital (optical) inputs and outputs, provides ultimate compatibility with your existing stereo equipment and TV