1.This Bluetooth Adapter is support Bluetooth 4.0 4.2 5.0 version. Please be free to buy it. For any questions, pls contact our customer services anytime.
2.It works for file transfer
3:We have files for the drivers.If you need, pls contact us. thanks
Q1:When connected to wireless headphones? whether strong quality is lost?
A1:The quality is good,pls be free to buy.
A2:One customer reflected:”Windows 10 can transmit in aptX if headphones with AptX is good quality”
Q2:If the adapter is connected to the laptop, and then wireless headphones? Is the sound normal?
A:Yes,the sound is normal when listening to music.
Q3:Bluetooth 5.0 or 4.0 Bluetooth device?
A:It is Bluetooth 4.0 device.but also support 4.2 5.0 device. We offer files for the driver, if you need, please contact us,Its greatly expanding functionality compared with those devices which have standard driver windows.
Q4:How it works for transmits and receives?
A:It works well when connected to PC to put music on speaker with bluetooth