Dell Premier Mouse– MS7421W

Stay charged longer
Enjoy a hassle-free 6-month1
battery life when you charge it fully
in just 3 hours. Connect up to three
devices via RF or Bluetooth and get
a full workday’s battery life with as
little as a 2-minute recharge1
Tested and certified to work seamlessly
with Dell systems, the rechargeable
mouse comes with a 3-year Advanced
Exchange Service2
that ships you a
replacement unit the next business day,
offering you added peace of mind.


Five programmable buttons on the mouse let
you customize to your preferred shortcuts
and frequently used functions. Sculpted with
a patterned grip in cool platinum silver, this
4000 DPI rechargeable mouse offers precise
tracking, allowing you to navigate with ease
across multi-monitor setups, ultra-wide and
high resolution displays.


Features & Technical Specifications

1 Based on Dell analysis of battery life usage model calculations assuming non-continuous use during an 8-hour workday, Dec. 2020. Results vary depending on use, operating conditions and
other factors.
2 Replacement part/unit dispatched, if needed, following completion of phone/online diagnosis. Fee charged for failure to return defective unit. Availability varies.
3 Without charging cable
4 System requirement: Bluetooth Low Energy technology.
5 Compatible with Windows 10, version 1803 onwards.
USB Type-C® and USB-C® are registered trademarks of USB Implementers Forum.

Product availability varies by country. Contact your Dell representative or visit to learn more.
Dell Premier Rechargeable Wireless Mouse – MS7421W
Programmable buttons:

Scroll wheel (with Tilt)
Mode of pairing: RF 2.4 GHz
Mode of pairing: Bluetooth 5.0
Charging/low battery light indicator
Connection-mode button
Patterned grip
Back button
Forward button
Clickable scroll wheel/
left tilt / right tilt
OS Support 2.4GHz
• Windows 7, Windows 8.1 and 10; Mac;
Linux (Red Hat Enterprise 8.0 /Ubuntu 18.4);
Chrome; and Android OS
• Windows 8.1 and 10; Mac; Linux (Red Hat
Enterprise 8.0 /Ubuntu 18.4); Chrome; and
Android OS
Dell Peripheral Manager (DPM)
• Windows 10 or later
Software Dell Peripheral Manager (Windows compatible)
• Pair devices
• Program shortcut buttons
• Adjust DPI
• View battery/connectivity status
• Firmware updates
Warranty 3-year Advanced Exchange Service2
Package Content Mouse
USB-C charging cable (USB-C to USB-C)
Color Platinum Silver
Connectivity Wireless – 2.4GHz or Bluetooth 5.04
Microsoft Swift Pair5
Battery Life 6 months1
Sensor Optical LED
Scroll Mechanical
Resolution (DPI) 1600 by default; Adjustable via Dell Peripheral
Manager – 1000, 1600, 2400, 4000
Buttons 7
Height 1.40 inches / 35.44 mm
Length 4.00 inches / 101.76 mm
Width 2.44 inches / 61.88 mm
Charging Cable Length 39.4 inches / 1000 mm
Weight 0.18 lbs / 80 g3
Optical sensor
Power switch
USB-C® charging port


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