The mouse can pair with up to three devices using different Bluetooth ... the ultralight ergonomic mouse features a high-performance 4000 DPI Pixart PMW3310 infrared optical sensor.

Two new mice for productivity still look like they were made for gamers, and that's OK.

Do you need an ultralight gaming mouse with the fastest sensor? Or do you need a gaming mouse with more buttons? Are dedicated left-handed mice the best, or will an ambidextrous mouse do?