Suitable for any devices(smartphone,earphone,speaker etc) any 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. 【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 bluetooth audio receiver &transmitter.NOTED: If you want to use it to watch TV and watch movies on your PC,Please make sure your bluetooth headphones support APTX LOW LATENCY, Otherwise it will have a little sound delay. If you don't know how to choose APTX LOW LATENCY bluetooth headphones,EP650 will be recommended,Follow is the buy link: https:///item/4000250557359.html?spm=2114.12010612.8148356.2.757a6d4dwSgPQk 【External antenna 30m/100ft LONG-RANGE】Actually tested over 100ft(30m) indoors without any stuck and delay.Dual antennas features a wide and long transmission range, super stable and powerful. BTmagic transmitter receiver is perfect for indoor-outdoor connectivity no matter where your speakers / media center are set up【15- HOURS LONG STANDBY TIME】Built-in 400MAH powerful battery, it will offer 15 hours in 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.Why Choose Us ? - Long Range: long range Bluetooth adapter can help to achieve TO 80-120FT (20-45M) INDOORS.- APTX-HD and aptx-LL freedom to switch:Humanization joined the APTX_HD on/off function, the agreement can decide freedom from now on .- 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. - Bluetooth Extender: Extend Bluetooth range by cabled to weak wireless audio devices, or pair with another Bluetooth adapter to boost Bluetooth single.- Multiple compatible interfaces: support fiber, coaxial, 3.5 audio input, Bluetooth dual channel aptx output; support fiber, coaxial, 3.5 audio output, Bluetooth aptx ll / HD inputPackage contents:1 x Bluetooth Transmitter/Receiver Adapter1 x Micro USB charging cable1 x 3.5mm audio cable1 x user manual