4GHz and 210 hours on Bluetooth; USB-C charging is via a offered paracord cable. The a single annoyance is that there's no spot to insert the 2.4GHz wireless dongle in to the mouse by itself, generating this greater to be used in the home than on the run. The load, https://lanespkcv.activablog.com/25118074/top-wireless-mouse-light-blue-secrets