NOTED: Its because of sony's Bluetooth headset/earphone/headphone uses a special encoding method, its not public for other devices to connect.So when you use sony's Bluetooth headset/earphone/headphone to pair with our devices in bluetooth transmitter mode, it may takes longer time to pair.The pairing time varies on different model of Sony . But they can surely pair successfully with our devices.

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,VIKEFON A3S will be recommended,Follow is the buy link:

【DUAL ANTENNAS 80m/262ft 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. BTmagic 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 &RX &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.

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