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Answer : Solution from reddit from @ashughes in an above comment -https://www.reddit.com/r/linuxquestions/comments/bc15f8/bluetooth_mouse_is_laggy_very_limited_pollrate/ez3ufhs/ sudo nano /var/lib/bluetooth/xx\:xx\:xx\:xx\:xx\:xx/yy\:yy\:yy\:yy\:yy\:yy/info where xx:xx.... is pc bluetooth address and yy:yy... is the mouse bluetooth address. In the file, I added the section at the end: [ConnectionParameters] MinInterval=6 MaxInterval=7 Latency=0 Timeout=216 You may also need to reconnect the mouse. I also tracked this proposal on ubuntu bug here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1824559?comments=all I'm using Ubuntu 18.04 on a Dell Precision 7740 laptop and a Logitech MX Master 3 and had a pretty bad lag over Bluetooth. Setting the parameters as noted in @alenz316's answer did not make a difference for me. However, @Eraph's settings in that thread DID work. I originally found the answer on https://forum.manjaro.org/t/logitech-mx-master...

Answer : Alternatives to Debian Live for persistent Debian system on USB You can create a debian Live USB with persistence using the mkusb tool : How to install mkusb in Debian These methods are tested in Debian Wheezy. It contains an instruction to install the ppa 'manually'. There is also an alternative to download the file(s) and check the download manually. The mkusb is tested and work fine on debian jessie and debian Stretch . There is no dependencies problem. To install mkusb , add the following line to your /etc/apt/sources.list deb http://ppa.launchpad.net/mkusb/ppa/ubuntu xenial main Import the gpg key : apt-key adv --keyserver keyserver.ubuntu.com --recv 54B8C8AC Update and install mkusb : apt-get update apt-get install mkusb The command line tool is mkusb-nox (txt mode) , the GUI is mkusb . The are a few steps to create a Debian Live Persistent USB using the mkusb GUI : Download the Debian Live ISO from the official website. Run mkusb ...