Install the Ummy Video Downloader and save videos or an entire channel playlist. Convert YouTube to MP3 or MP4.
Safety is confirmed: 
Step 1: Install the Ummy Video DownloaderStep 2: Copy the YouTube video URLStep 3: Paste the video URL in the Ummy softwareStep 4: Press the Download buttonStep 5: Enjoy your video!Click download button below if you use Windows OS by Microsoft. Ummy Video Downloader work on Windows 10, 11.
Latest version: 1.10.3.0
If you are user of Apple computers on Mac OS you need to download Ummy Video Downloader for Mac OS. Compatible with Mac OS X 11 and higher.
Latest version: 1.68
Download the driver specific to your hardware version (e.g., V1 or V2) from TP-Link's website. Unzip the folder and run the Setup.exe file.
| Issue | Likely Cause | Fix | |-------|--------------|-----| | Device shows "Driver Error (Code 10)" | Conflicting old CSR driver | Use the "Driver Store Explorer" tool to delete all old Bluetooth drivers, then clean install Realtek driver. | | Bluetooth audio stutters when Wi-Fi is active | 2.4 GHz interference (the dongle uses 2.4 GHz) | Plug the UB400 into a USB 2.0 port (not USB 3.0) and use a 1-meter USB extension cable to move it away from the PC case. | | Pairing fails after 10 seconds | Windows Bluetooth service crashed | Restart "Bluetooth Support Service" in services.msc. | | Can't find any devices | Driver not loaded | Unplug, wait 10 sec, plug into a different USB port. | tp link bluetooth ub400 driver