The Pro by Logitech is a TenKeyLess keyboard with 87 keys, which uses ROMER-G switches. The Pro keyboard uses a USB connection, with a 1.8 m cable. It is supported by Logitech Gaming Software software. And has 16.8M per key lighting backlighting. It weighs in at 980g w/o cable, and is 360 x 153 x 34.3 mm [LxWxH].
The Romer-G™ key switch is purpose-built for pro-grade performance, responsiveness and durability. The short-throw actuation at 1.5mm is 25% faster than the competition's standard mechanical switches. A perfect blend of speed, precision and quiet performance, Romer-G is the stealth assassin of mechanical gaming keyboard switches.