4XEM
4XEM 4XWLSKMS1 Wireless Keyboard and Mouse Combo Black
A wireless keyboard and mouse set with 20 ft range, spill-resistant membrane keys, and a shared USB 2.0 receiver
- NameWireless Mouse and Keyboard Combo
- Keyboard InterfaceUSB 2.0
- Key SwitchMembrane
- Keyboard ColorBlack
- Dimensions1.06" x 16.54" x 4.68"
- Type2.4GHz Wireless
- Works up to 20 ft away with 2.4 GHz wireless
- Water-resistant membrane protects keyboard from accidental spills
- Optical mouse tracks on most surfaces with three buttons
- Compatible with Windows, Mac OS and Linux via USB-A 2.0
- LED indicators show power status for both keyboard and mouse
Compact Wireless Desktop Set
The 4XEM 4XWLSKMS1 combines a membrane keyboard and an optical mouse in a single 2.4 GHz wireless kit. It connects through one USB-A 2.0 receiver stored inside the mouse. The set suits office workers and home users who want a tidy, cable-free desktop for everyday typing and pointing tasks.
2.4 GHz Wireless Range and USB 2.0 Link
Both keyboard and mouse operate up to 20 ft from the receiver in clear air. The USB 2.0 interface limits data throughput to the standard 2.0 specification, so the combo is not suited for applications that demand higher polling rates or lower latency than the interface allows. Battery life varies with usage because the keyboard needs two AAA cells and the mouse one AA cell, none of which are included.
Check USB Port and OS Compatibility
Verify that your system has a free USB-A port and runs Windows 7, 8, 8.1, 10, Mac OS or Linux. The keyboard uses a QWERTY layout and the mouse is ambidextrous, so left-handed users can operate it without extra configuration. Buyers who need programmable keys, backlighting or a rechargeable power source should look at other models.
Highlights
- Works up to 20 ft away with 2.4 GHz wireless
- Water-resistant membrane protects keyboard from accidental spills
- Optical mouse tracks on most surfaces with three buttons
- Compatible with Windows, Mac OS and Linux via USB-A 2.0
- LED indicators show power status for both keyboard and mouse
Specifications
| Brand | 4XEM |
|---|---|
| Name | Wireless Mouse and Keyboard Combo |
| Model | 4XWLSKMS1 |
| Keyboard Interface | USB 2.0 |
| Key Switch | Membrane |
| Keyboard Color | Black |
| Dimensions | 1.06" x 16.54" x 4.68" |
| Type | 2.4GHz Wireless |
| Mouse Included | Yes |
| Tracking Method | Optical |
| Buttons | 3 |
| Scrolling Capability | 1 x Wheel |
| Mouse Color | Black |
| Power Source | Power Source (Keyboard): 2x AAA Batteries (Not Included) Power Source (Mouse): 1x AA Batteries (Not Included) |
| Operating System Supported | Windows 7, 8, 8.1, 10 Mac OS Linux |
| System Requirement | Available USB port |
| Features | USB-A 2.0 host connection 20ft Wireless range Keyboard 20ft Wireless range Mouse LED power indicators Water resistant keyboard membrane to protect against spills 2x AAA battery powered (Keyboard) 1x AA Battery powered (Mouse) Ambidextrous mouse usage QWERTY keyboard layout Windows 7, 8, 8.1, 10, Mac OS and Linux compatible |
| Package Contents | 1 x Wireless Keyboard 1 x Wireless Mouse 1 x USB Receiver (Located in Mouse) |
| Shipping weight | 0.35 kg |
| Package size | 497 × 130 × 35 mm |
Questions about this item
Which version of the 4XEM 4XWLSKMS1 combo should I pick if I only have USB 2.0 ports?
The single listed model uses a USB 2.0 receiver, so it works directly with any USB 2.0 or newer port without an adapter.
What does the 2.4 GHz wireless spec mean for daily use at my desk?
It gives a 20 ft range for both keyboard and mouse, letting you type or click from across a typical room without cables.
How does the USB 2.0 interface limit the keyboard and mouse in practice?
The receiver plugs into a USB-A 2.0 port and handles all data; bandwidth is ample for keystrokes and optical tracking, so there is no noticeable lag.
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