BLUETOOTH 5.0 HI-FI Aptx HD/LL:Features the highest version Bluetooth V5.0 and the high-end CSR8675 chip to provide the best transmission efficiency, stability and ultra-low power consumption. Support AptX HD and AptX Low Latency, boasting high fidelity CD quality stereo sound streams seamlessly. It is the best choice if you’re looking for a cost-effective Nsendato bluetooth audio receiver &transmitter.DUAL ANTENNAS 265ft LONG-RANGE:Actually tested over a range of 265ft(80m) in open air and over 100ft(30m)indoors without any stuck and delay.Dual antennas features a wide and long transmission range, super stable and powerful. Nsendato transmitter receiver is perfect for indoor-outdoor connectivity no matter where your speakers/media center are set up.15-20 HOURS LONG STANDBY TIME& NFC:Built-in 1000MAH powerful battery, it will offer 15 hours in TX mode 20 hours in RX mode of solid use on one charge, you also can use it while charging. Supports both RCA/3.5mm aux audio connectivity digital/optical audio input and output, it is compatible with almost all devices. It can be Fast link by NFC.3 IN 1 - TX & BYPASS MODE:TX Mode: connect bluetooth transmitter to audio output devices, such as TV, iPod or PC, You can enjoy ultra fast, high-fidelity audio from your bluetooth headsets, headphones or speakers flexibility.RX Mode: make your old home stereo system Bluetooth-enable and rejuvenate again. Bypass Mode (wired):you no longer need to plug/unplug any wires, easily switch it to other two modes.DUAL STREAM & MULTI-POINT CONNECTION:Support Dual Stream in TX Mode and Multi-Point Connection in RX. Pair with two bluetooth headphones/speakers to double the fun. Or connect two smart phones at the same time. We suggest to pair two same brand audio receiving devices to achieve AptX Low Latency. Pass CE, FCC, ROHS certification, 100% Satisfaction guarantee.Long Range: Bluetooth adapter can help to achieve 262ft(80m) line of sight in the open air and UP TO 80-110FT (25-35M) INDOORS. No lip sync delay & Perfect Hi-Fi sound: AptX Low Latency technology eliminate Bluetooth audio delay, so you can enjoy high-clarity sound and watch TV/Movie/Video in perfect synchronization. aptX HD technology provide you perfect sound experience. Dual Stream:Dual link feature of Nsendato Bluetooth adapter also enables simultaneous streaming to 2 headphones or speakers. Bluetooth Extender: Extend Bluetooth range by cabled to weak wireless audio devices, or pair with another Bluetooth adapter to boost Bluetooth single. Bypass with 4 different work modes:1) Aux in/Aux out: Aux LED on. 2)Opt in/Opt out:Opt LED on. 3)Aux in/Opt out: Aux LED flash first and then Opt LED on. 4) Opt in/Aux out: Opt LED flash first and then Aux LED on. NFC Function: Put cellphone next to Nsendato wireless Bluetooth receiver transmitter which in pairing mode, simplify the pairing! Don’t need to pair manually NOTE: Please make sure your mobile phone with NFC function and on.The function only be supported by RX mode.Pair with each other:Support work with each other, One as a transmitter,the second - as a receiver. Package Details:1x Nsendato Bluetooth 5.0 Tranmistter receiver1x 3.5mm Aux Audio Cable 1x Optical cable1x USB Cable 1x User Manual