1. Desktop Keyboards & Mice Offered
  2. sku: 2390709601367603
  3. DELL KM5221WBKB-US

DELL KM5221WBKB-US Wireless Keyboard Mouse KB3121WP/MS3121WP S4A

Km5221wbkb-us Dell Kb3121wp/ms3121wp Wireless Keyboard And Mouse Combo Black Inch S4a

( Brand: Dell ), ( Manufacturer Part Number: KM5221WBKB-US ), ( Model: KB3121WP/MS3121WP ), ( Type: Keyboard Mouse Combo ), ( Color: Black ), ( Connectivity: Wireless ), ( Features: Wireless Keyboard Mouse Combo ), ( Keyboard Language: English ), ( Interface: Bluetooth ), ( Country Of Origin: China )

Review DELL Kb3121wp/ms3121wp Wireless Keyboard And Mouse Combo Black Inch S4a

The Dell KM5221WBKB-US KB3121WP/MS3121WP Wireless Keyboard and Mouse Combo S4A is a versatile and convenient solution for those seeking to declutter their workspace by reducing the number of cords and wires. This combination of a full-sized wireless keyboard and a compatible optical mouse offers a seamless and efficient computing experience.

Starting with the wireless keyboard (Model KM5221WBKB), it features a sleek and modern design with a compact layout, making it an excellent fit for both home and professional use. The keyboard is equipped with a spill-resistant design, ensuring that accidental spills do not cause any damage to the device. Its keys have a quiet yet responsive touch, providing a comfortable typing experience, and its layout includes a number pad, making it suitable for data entry tasks. The keyboard operates on Dell's proprietary 2.4GHz wireless technology, ensuring a stable and reliable connection, and it comes with a rechargeable battery that can last up to 18 months on a single charge.

The wireless mouse (Model KB3121WP/MS3121WP) that accompanies the keyboard is a reliable and functional optical mouse. Its ergonomic design allows for a comfortable grip and easy maneuverability, while its optical tracking technology ensures accurate and precise cursor movement. The mouse is also wireless, operating on the same 2.4GHz wireless technology as the keyboard, and it comes with a battery that can last up to 12 months on a single charge.

Both the keyboard and mouse in this combo feature a small and unobtrusive receiver that can be easily stored when not in use. The receiver can be plugged into a USB port on your computer or laptop, and it supports multiple devices, allowing you to easily switch between them. Additionally, the keyboard and mouse come with a nano receiver, which is small enough to be lost easily, making the included USB extension a convenient addition.

In summary, the Dell KM5221WBKB-US KB3121WP/MS3121WP Wireless Keyboard and Mouse Combo S4A is a high-performance and feature-rich solution for those seeking a clutter-free computing experience. With its quiet, responsive keys, accurate optical mouse, and reliable wireless technology, this combo offers a comfortable and efficient way to work or play on your computer.

The Dell KM5221WBKB-US KB3121WP/MS3121WP Wireless Keyboard and Mouse S4A is a combination of a wireless keyboard and mouse designed for convenience and productivity. Here are some pros and cons of this product to help you make an informed decision.

Pros:

1. Long Battery Life: Both the keyboard and mouse use AA batteries, which can last up to 18 months with regular use. This makes it a great option for those who don't want to deal with frequent battery replacements.

2. Sleek Design: The keyboard and mouse have a modern and minimalist design, which can add to the aesthetic appeal of any workspace. They also come in a range of colors to suit different preferences.

3. Comfortable Keyboard: The keyboard has a comfortable layout and keys that provide good feedback, making typing a pleasant experience.

4. Easy Setup: The keyboard and mouse can be easily paired with a computer using a simple plug-and-play process.

5. Compact Size: The keyboard and mouse are compact and portable, making it easy to take them on the go if needed.

Cons:

1. No Number Pad: The keyboard does not have a number pad, which may be a disadvantage for those who rely heavily on numbers while working.

2. No Backlit Keys: The keyboard does not have backlit keys, which can make it difficult to use in low-light conditions.

3. Wireless Connection: While the wireless connection is convenient, it can sometimes result in lag or delays, especially if there are other wireless devices in the area.

Conclusion:

The Dell KM5221WBKB-US KB3121WP/MS3121WP Wireless Keyboard and Mouse S4A is a well-designed and functional combination of a keyboard and mouse. Its long battery life, comfortable keyboard, and sleek design are major advantages. However, the lack of a number pad and backlit keys may be a disadvantage for some users. Ultimately, if you value a compact, portable, and long-lasting keyboard and mouse combination, this product is worth considering. However, if you require a number pad or backlit keys, you may want to explore other options.

Recommendation:

Based on the pros and cons listed above, I would recommend the Dell KM5221WBKB-US KB3121WP/MS3121WP Wireless Keyboard and Mouse S4A to those who want a compact, portable, and long-lasting keyboard and mouse combination for their workspace. It is a great option for those who don't need a number pad or backlit keys and value convenience and simplicity. However, if you require a number pad or backlit keys, you may want to consider other options that better meet your needs.

Details:

If an accessory is not stated or pictured in the listing, it included. Return is void if the bar code sticker BS-x removed. Apple Pay Google. Items must be shipped back in its received condition and properly packed.

Shipping Information: Items are shipped via FedEx or USPS.

part #: km5221wbkb prices

  • $15.00-$35.50

specifications bonzoboards:

  • brand: Dell
  • mpn: Km5221wbkb-us
  • model: Kb3121wp/ms3121wp
  • type: Keyboard Mouse Combo
  • color: Black
  • connectivity: Wireless
  • features: Wireless Keyboard Mouse Combo
  • keyboard language: English
  • interface: Bluetooth
  • country of origin: China

seller bonzoboards:

  • rating: 98.1%
  • # reviews: 36207
  • city: Pittsburg, California

shipping bonzoboards:

  • cost: $14.00
  • type: Calculated
  • transit: 4-9 Days
  • carrier: USPS, FedEx
  • class: Standard
  • service: USPS Ground Advantage, FedEx Ground / FedEx Home Delivery

offer bonzoboards:

  • quantity: 1
  • started: February 10, 2026
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • best offers: True

returns bonzoboards:

  • paid by: Seller
  • time: 30 Days
  • method: Money back
  • policy: Returns Accepted

payments bonzoboards:

  • wallet: Google-pay
  • credit card: Discover
  • other

general bonzoboards:

  • Computers/Tablet's Networking > Keyboards, Mice Pointers > Other Keyboards Mice
  • condition: New
type: keyboard mouse combo, connectivity: wireless, features: wireless keyboard mouse combo, keyboard language: english, interface: bluetooth, country of origin: china,
category: computers > computers/tablets networking > keyboards, mice pointers > keyboards mice, color: black, sku: 2390709601367603,

Dell KM5221WBKB Is Similar To:

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5 offers $15.00–$35.50 USD
  • Offer #1: $18.99 price + $0.00 shipping estimate = $18.99* total. NEW, SEALED.FREE SHIPPING
  • Offer #2: $15.00 price + $14.02 shipping estimate = $29.02* total. Ideal for those looking for a reliable and user-friendly keyboard and mouse bundle. The Dell Wireless Keyboard & Mouse Combo / is a sleek and efficient keyboard and mouse set designed by Dell.+$14.02 shipping
  • Offer #3: $35.50 price + $9.94 shipping estimate = $45.44* total. Dell Wireless Keyboard & Mouse (Model ).+$9.94 shipping
  • Offer #4: $18.00 price + $9.52 shipping estimate = $27.52* total. Item is new with original factory plastic wrap and includes batteries. The Dell -US Wireless English QWERTY Keyboard & Mouse Bundle in White is a new product from Dell.+$9.52 shipping
  • Offer #5: $14.99 price + $9.52 shipping estimate = $24.51* total. The keyboard is new in the box from Dell and has not been used, though it was removed for the purpose of photos and to test functionality. The color is black.+$9.52 shipping

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