What type of batteries does this mouse require?

AAA (triple a) good battery life reliable mouse good feel

Does this mouse work with windows 8? and what is the battery life of this device?

I have purchased 6 a different times. It works well with Windows XP, Windows 7 and Windows 8 Hard to say how long the battery life is. As I have not yet had to replace the batteries. So, I would have to say quite awhile. Does have long range. One I purchased was DOA. Could not return it. It was over 30 days before I sold it.

Will this work with any Apple OS's?

I use it on PC but it's a standard wireless USB input so it should be fine.

Will this work with an existing Kensington model 64390 wireless keyboard?

Sorry I can not tell you if it will work. Good luck.

Can this mouse be used with a desktop and/or a laptop?

I would say yes to 100% assurity, however, there are some compatibility issues depending on operating system and hardware. Some power supplies that are already maxed out may also have problems. If you are asking about a prebuilt system with no other gadgets or gizmos hogging USB slots, then you should not have any problems.

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Kensington Pro Fit Mid-Size Right-handed Wireless Mouse with Nano Receiver (K72405US)

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Color: Black

Compact size for travel convenience clutter-free wireless technology and storable Nano receiver
Ergonomic right-handed design has scroll wheel with middle button and pointer speed quick-select
2 4 GHz wireless for long range with minimal interference
High-definition optical sensor (1750 DPI) for responsive control
Extended battery life up to 12 months
Compatible with Windows 10, Windows 8, Windows 7, Mac OS X and later
Compact size for travel convenience clutter-free wireless technology and storable Nano receiver

Overview

Specs

Reviews (39)

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Kensington K72405US. Brand NewIncludes 2 Year Warranty. . Product # K72405US. . Right-handed comfort, clutter-free, extended battery lifeThe Kensington Pro Fit® Mid-Size Wireless Mouse provides users with clutter-free productivity for an office environment. It compliments mobile laptop usage for travel

Model
Brand	Kensington
Name	Pro Fit
Model	K72405US
Type	RF Wireless

Details
Interface	USB
Hand Orientation	Right Hand
Tracking Method	Optical
Scrolling Capability	1 x Wheel
Color	Black
Resolution (DPI)	1750 dpi

OS / System Requirement
Operating System Supported	Chrome OS 44, Mac OS 10.9, Mac OS X 10.10, Mac OS X 10.11, Vista, Windows 10, Windows 7, Windows 8, XP

Features
Features	Ergonomic mid-size design matches natural hand curvature maximizing comfort during prolonged use Soft rubber panels and contoured buttons maintain comfort and grip High definition optical sensor (1750 dpi) delivers smooth cursor control and precise tracking Secure 2.4Ghz wireless technology reduces risk of interference and is ideal for clutter-free office environments Clickable scroll wheel ideal for speeding through documents Back and forward web browser navigation reduces time required to complete web browser tasks Nano Wireless USB receiver stores inside mouse battery compartment when travelling, ideal for mobile professionals Reliable Plug & Play operation with USB connection for Windows and Chrome OS Professional black and blue corporate finish complements Pro Fit keyboards Low battery indicator, to show when batteries need to be replaced

Additional Information
First Listed on Newegg	September 21, 2011

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 2 years
Limited Warranty period (labor): 2 years
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Return Policies

Return for refund within: 30 days

Return for replacement within: 30 days

This item is covered by Newegg.com's 30-Day Return Policy.
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Kensington Pro Fit Mid-Size Right-handed Wireless Mouse with Nano Receiver (K72405US)

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Customer Reviews of Pro Fit

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: N82E16826125164

Best Sellers

Kensington Pro Fit Mid-Size Right-handed Wireless Mouse with Nano Receiver (K72405US)

Learn more about the Pro Fit

Customer Reviews of Pro Fit

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info