- Ergonomic: supports your hand in a fully upright neutral handshake position that eliminates forearm twisting - Precise: true optical resolution sensor moves the pointer quickly to reduce hand movements, with short habituation time - Version 4 improved shape: better thumb and finger support - Version 4 convenient adjustment: of pointer speed - Small version available: for hands less than about 7 inches or 178mm long from the tip of the middle finger to the wrist crease (BNEEVR4S) - Cable length:: 215 cm

Weight & dimensions
Width	117 mm
Depth	76 mm
Height	86 mm
Weight	140 g
Power
Power source	Cable
Packaging data
Package width	110 mm
Package depth	110 mm
Package height	100 mm
Package weight	239 g
Ergonomics
Cable length	2.15 m
Design
Form factor	Left-hand
Product colour	Black, Grey
Mouse
Purpose	Office
Movement detection technology	Optical
Scroll type	Wheel
Buttons type	Pressed buttons
Scroll	Y
Recommended usage	PC
Number of scroll wheels	1
Keypad integrated	N
Logistics data
Harmonized System (HS) code	84716070