1Mii Long Range Bluetooth 5.0 Transmitter Receiver Bluetooth Audio Adapter Bluetooth Transmitter for TV PC Home Stereo, aptX HD & Low Latency, Optical RCA AUX 3.5mm – B03Pro 【BLUETOOTH 5.0 APTX HD】1Mii B03Pro Bluetooth adapter with the highest end chip Bluetooth 5.0, boasting high fidelity stereo sound, 24bit perfect audio over than CD quality(16bit). Pick up any kind of music for you losslessly and wirelessly. NOTE: to take advantage of aptX HD function, your audio source better with HD sound quality. Simple switch to alternate between HD and low latency priority If your device supports both codecs. 【EXTENDED LONG RANGE】Utilizing Class 1 Bluetooth technology and dual antennas design, 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 adapters, physical obstructions like walls,metal obstacles etc. and also depends on receiving device. 【NO LIP SYNC DELAY & DUAL STREAM】AptX Low Latency technology eliminate Bluetooth audio delay, Long Range adapter 1Mii B03Pro support dual link Simultaneously, Pair with two Bluetooth headphones or two Bluetooth speakers & BOTH enjoy ultra fast audio streaming. *NOTE: To achieve low latency, your receiving device must also support AptX Low Latency. 【OPTICAL & AUXS】Supports both analog (RCA / 3.5mm AUX audio) and digital (optical) input and output! *NOTE: For TV optical output – pls set audio format to PCM. Dolby / DTS are not supported.