The most powerful bulk downloader for Google Classroom. Save hours of time downloading PDFs, slides, docs, and assignments — completely free, private, and open source.
The is a compact Bluetooth USB adapter (dongle) designed to provide wireless connectivity for computers and laptops that lack built-in Bluetooth hardware . To ensure stable communication between your PC and peripherals like headphones, mice, and keyboards, having the correct BT-BU1 driver is essential. Understanding the BT-BU1 Bluetooth Adapter
: Acts as a translator between your operating system and the Bluetooth radio hardware.
The easiest way to fix connectivity issues is using the built-in Windows utility: How To Install Bluetooth Drivers On Windows 11 / 10
The BT-BU1 typically follows the Bluetooth 2.0 or 2.1 + EDR (Enhanced Data Rate) standard, though some newer versions may support updated specifications. It is a "Class 1" or "Class 2" device, meaning its effective range generally falls between 10 meters (33 feet) and 100 meters (328 feet), depending on the specific model and environment.
: Enables wireless file transfers, audio streaming via A2DP/AVRCP profiles, and connection to multiple devices simultaneously. How to Install and Update the BT-BU1 Driver
For modern operating systems like and Windows 11 , many USB Bluetooth dongles are "plug-and-play," meaning the OS automatically installs a generic driver. If the device is not recognized, follow these steps: 1. Automatic Update via Device Manager
Simple setup process to start downloading all your classroom materials
Click the download button above to go to our GitHub repository. Click the green "Code" button, then "Download ZIP" to get all files. bt-bu1 driver
Code → Download ZIPExtract the ZIP file to a folder you'll keep. Then open Chrome and go to the extensions page. Enable "Developer mode" in the top right corner. The is a compact Bluetooth USB adapter (dongle)
chrome://extensionsClick "Load unpacked" and select the extracted folder (ClassMate-Classroom-Downloader-main). The extension will appear in your toolbar! The easiest way to fix connectivity issues is
Load unpacked → Select folderVisit Google Classroom, click the ClassMate extension icon, authorize with your Google account, and download all your materials with one click!
classroom.google.com → Click ClassMateThe is a compact Bluetooth USB adapter (dongle) designed to provide wireless connectivity for computers and laptops that lack built-in Bluetooth hardware . To ensure stable communication between your PC and peripherals like headphones, mice, and keyboards, having the correct BT-BU1 driver is essential. Understanding the BT-BU1 Bluetooth Adapter
: Acts as a translator between your operating system and the Bluetooth radio hardware.
The easiest way to fix connectivity issues is using the built-in Windows utility: How To Install Bluetooth Drivers On Windows 11 / 10
The BT-BU1 typically follows the Bluetooth 2.0 or 2.1 + EDR (Enhanced Data Rate) standard, though some newer versions may support updated specifications. It is a "Class 1" or "Class 2" device, meaning its effective range generally falls between 10 meters (33 feet) and 100 meters (328 feet), depending on the specific model and environment.
: Enables wireless file transfers, audio streaming via A2DP/AVRCP profiles, and connection to multiple devices simultaneously. How to Install and Update the BT-BU1 Driver
For modern operating systems like and Windows 11 , many USB Bluetooth dongles are "plug-and-play," meaning the OS automatically installs a generic driver. If the device is not recognized, follow these steps: 1. Automatic Update via Device Manager
Common questions about ClassMate and how it works.
Google shows this warning for apps that haven't completed their expensive verification process (~$15,000+). ClassMate is 100% safe and open source - you can inspect our code on GitHub. To proceed:
✓ This is a one-time process. The extension works normally after this!
Yes! ClassMate is 100% open source. You can view every line of code on our GitHub repository. We don't collect any data, don't have servers, and all processing happens locally on your device.
Yes, completely free! No premium features, no subscriptions, no ads. Made by a student for students. ❤️
Yes! ClassMate works with personal Gmail accounts and Google Workspace (school/university) accounts. Some strict university admins may block unverified apps - contact your IT department if you encounter issues.
Join thousands of students who've already simplified their study workflow with ClassMate. It's completely free and always will be.