Logitech G502 Hero (Used for a couple months and still has warranty.)

DIMENSIONS
Height: 11.42 in (290 mm)
Width: 2.95 in (75 mm)
Depth: 1.57 in (40 mm)
Weight: 4.27 oz (121 g), mouse only
Optional extra weights: up to 18 g (0.18 x 0.13oz (5x 3.6 g))
Cable length: 6.89 ft (2.1 m)

TRACKING
Sensor: HERO
Resolution: 100 – 25,600 dpi
Zero smoothing/acceleration/filtering
Max. acceleration: >1.41 oz (40 g) 1Tested on Logitech G240 Gaming Mouse Pad
Max. speed: >400 IPS 2Tested on Logitech G240 Gaming Mouse Pad

RESPONSIVENESS
USB data format: 16 bits/axis
USB report rate: 1000Hz (1ms)
Microprocessor: 32-bit ARM

DURABILITY
PTFE Feet: >250 kilometers 3Tested on Logitech G240 Gaming Mouse Pad

OTHER FEATURES
Onboard memory: Up to 5 profiles (requires firmware 127.1.7)
LIGHTSYNC RGB: 1 zone