I solved the pairing issue by running a shell script, each time I want to use the mouse in Ubuntu 14.04.4 LTS:
#!/bin/sh bt-input -c 34:88:5D:47:7E:CF -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1237355 Title: Logitech Ultrathin Touch Mouse needs to be repaired To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-bluetooth/+bug/1237355/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs