HyperX Pulsefire Core $31.66 + $12.04 Delivery (Free with Prime over $49) @ Amazon US via Amazon AU

Normal price seems to be $69

Specifications:
Ergonomics: Symmetrical
Sensor: Pixart PAW3327
Resolution: up to 6,200 DPI
DPI presets: 800 / 1600 / 2400 / 3200 DPI
Speed: 220 IPS
Acceleration: 30G
Buttons: 7
Left / Right buttons durability: 20 million clicks
Backlight: RGB (16,777,216 colors)
Light effects: 1 lighting zone and 4 brightness levels1
On board memory: 1 profile
Connection type: USB 2.0
Polling rate: 1000Hz
USB data format: 16 bits/axis
Cable type: Braided
Weight (without cable): 87g
Weight (with cable): 123g
Dimensions
Length: 119.30mm
Height: 41.30mm
Width: 63.90mm
Cable length: 1.8m