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Head to head · Prices checked Oct 23, 2026

Redragon COVE K733 vs EISA K686 HENumpad vs Gaming Keyboard

Choose the COVE K733 if you need a portable, wireless companion for a compact keyboard, or the EISA K686 HE if you want a dedicated, high-performance gaming keyboard with advanced features.

Quick verdict

Which one should you get?

Get the

Redragon COVE K733

Numpad

If you want

  • Extremely portable at 230g with a compact 22-key footprint.
  • Offers tri-mode connectivity: USB-C wired, Bluetooth, and 2.4GHz wireless.
  • Hot-swappable PCB supports a wide range of mechanical switches.

And can live with

  • Is only a numpad, not a full keyboard, requiring a separate main board.
  • Vendor reviews note the calculator mode may use non-standard operation precedence.
  • Some users reported the backlight timeout can lead to missed first keystrokes.

Get the

Redragon EISA K686 HE

Gaming Keyboard

If you want

  • Equipped with Hall effect magnetic switches featuring adjustable actuation (0.1-3.4mm).
  • Includes gaming-focused Rapid Trigger technology and PRCS tech with Snap Tap/SOCD.
  • Uses durable, dye-sub PBT keycaps in an OEM Round profile.

And can live with

  • Wired-only connectivity limits placement and device switching.
  • Is not hot-swappable; the magnetic switches are Redragon-exclusive.
  • Much heavier and larger than the K733, making it unsuitable for travel.

Bottom line

Your choice fundamentally depends on what you need to add to your setup. The Redragon COVE K733 is a versatile, mod-friendly accessory for users with a TKL or 60% keyboard who miss a numpad and value wireless freedom. The Redragon EISA K686 HE is a complete, performance-oriented gaming keyboard for users who want the latest Hall effect and Rapid Trigger features in a single, stationary unit. Consider the K733 if you need flexibility, and the K686 HE if you want cutting-edge gaming performance.

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Redragon COVE K733

Redragon EISA K686 HE

  • Layout size

    Numpad

    90%

  • Hall effect (magnetic)

    No

    Yes

  • Rapid trigger

    No

    Yes

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

  • Hot-swappable

    Yes

    No

KeebFinder scores

How we score
  • Redragon COVE K733
  • Redragon EISA K686 HE
Performance
85
98
Build quality
75
57
Productivity
84
62
Customizability
79
48
Portability
88
41

What they share

  • Max polling rate: 8,000 Hz
  • Case material: Plastic
  • Mount style: Gasket Mount
  • Knob
  • Sound dampening
See every spec side by side

Best for

What will you mostly use it for?

The EISA K686 HE is the clear choice for dedicated gaming due to its Hall effect switches and Rapid Trigger tech. For office work, travel, and as a modding platform, the COVE K733 wins with its wireless versatility, light weight, and hot-swap capability. Programming is a tie, as the full numpad on the K686 is convenient, but the K733 offers it as a separate, portable unit. Content creators may prefer the K733 for its wireless flexibility and programmable knob.

For gaming

Pick the Redragon EISA K686 HE

  • The EISA K686 HE features Hall effect magnetic switches with adjustable actuation from 0.1-3.4mm and Rapid Trigger technology.
  • It includes PRCS tech with Snap Tap and SOCD functions, which are listed as gaming-specific features.
  • It has a higher weight of 1200g for stability and N-Key Rollover for simultaneous key presses.

Full specs

Redragon COVE K733 vs EISA K686 HE specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

11 of 22 specs differ

Redragon COVE K733

Redragon EISA K686 HE

Typing & switches

Switch options

Linear
Magnetic

Hall effect (magnetic)

No
Yes

Rapid trigger

No
Yes

Hot-swappable

Yes
No

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

Numpad
90%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

Yes
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

8,000 Hz
8,000 Hz

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Plastic

Keycaps

—
PBT

Weight

230 g
1,200 g

Dimensions

98 x 165 x 38 mm
39 x 394 x 144 mm

Backlight

RGB
RGB

Firmware & software

N-key rollover

No
Yes

Mac & Windows

Yes
No

Extras

Released

2025
2025

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

  • RedragonCN

    In stock
    $29Visit
  • AmazonGlobal

    Check price
    ~$29Visit
  • RedragonCN

    In stock
    $62Visit
  • AmazonGlobal

    Check price
    ~$62Visit

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FAQ

Redragon COVE K733 vs EISA K686 HE: your questions

No, the EISA K686 HE is a wired-only keyboard. It connects via a detachable USB Type-C cable. The COVE K733 is the model that offers wireless connectivity through Bluetooth and 2.4GHz.

No, the EISA K686 HE is not hot-swappable. Redragon's product specifications state the UltraMag magnetic switches are exclusive and not cross-compatible with other switches. The COVE K733, however, features a hot-swappable socket.

Rapid Trigger is a gaming technology that, when enabled via software, allows for dynamic actuation. Combined with the Hall effect magnetic switches, it lets the actuation point be adjusted with high precision for faster key resetting, which is beneficial in competitive gaming.

Yes, the COVE K733 has a dedicated Calculator Mode and a built-in display that allows it to function as a standalone calculator. However, some user reviews mention it may not follow standard operator precedence (like PEMDAS) in calculations.

The COVE K733 is more versatile for office use due to its wireless connectivity, making it easy to switch between devices. Its dedicated numpad and calculator functions are also tailored for data entry. The EISA K686 HE is a full keyboard but is wired and geared more towards gaming performance.

The keycaps on both keyboards are physically replaceable as they use standard mechanical stems. The EISA K686 HE uses PBT keycaps, which are more wear-resistant. The COVE K733's keycap material is not specified in the provided details, but its switches are hot-swappable, which typically means keycaps can be changed.

Both the Redragon COVE K733 and the EISA K686 HE have a polling rate of 8000 Hz, according to their specifications. This translates to a report every 0.125ms for low latency input.

Yes, the EISA K686 HE listing mentions software support for features like Rapid Trigger adjustment and RGB customization. It also supports a web-based driver for operating systems beyond Windows. The COVE K733's software capabilities are not detailed in the provided information.

The COVE K733 is significantly more portable. It weighs only 230g and measures 98x165x38mm, and it operates wirelessly. The EISA K686 HE weighs 1200g and is a full 98-key keyboard that requires a wired connection, making it a stationary desktop peripheral.

Yes, both keyboards feature sound dampening. The COVE K733 has a five-layer system including PO foam, IXPE switch foam, a PET sound pad, bottom socket foam, and a silicone pad. The EISA K686 HE also lists a five-layer noise dampening system among its features.

The COVE K733 comes with pre-installed Creamy Linear Dragon Chant switches, which are linear mechanical switches. The keyboard is hot-swappable, allowing you to change them to other compatible switches if desired.

According to the vendor page, the EISA K686 HE package includes the keyboard, a detachable USB Type-C cable, a keycap and switch puller, four spare magnetic switches, a Redragon sticker, and a user manual.

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