[BLUETOOTH 5.0 HI-FI HD/LL]Features the highest version Bluetooth V5.0 and the high-end CSR8675 chip to transmission efficiency, stability and ultra-low power consumption. Support HD and Low Latency, boasting high fidelity CD quality stereo sound streams seamlessly. It is the if you're looking for a cost-effective bluetooth audio receiver &transmitter. [DUAL ANTENNAS 80m/262ft LONG-RANGE]Actually tested over a range of 265ft(80m) in open air and over (30m) indoors without any stuck and delay.Dual antennas features a wide and long transmission range, super stable and powerful. 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 /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 &RX &BYPASS MODE]TX Mode: connect bluetooth transmitter to audio output devices, such as TV, 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 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 audio receiving devices to achieve Low Latency. Suitable for any devices(smartphone,earphone,speaker etc) a version of Bluetooth on the market, including: bluetooth 1.0/1.1/1.2/2.0/2.1/3.0/3.1/3.2/4.0/4.1/4.2/5.0 etc. Colour:Black Material:ABS Package Contents: 1set x NFC Bluetooth Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.