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Black lightweight right-handed gaming mouse with USB-C port and six buttons

Redragon

Redragon M821 54g Tri-Mode Gaming Mouse

SKU CH-4MFK-5R5RM

A 54g right-handed gaming mouse with tri-mode connectivity, S205 sensor, 120 IPS tracking, 1000Hz polling, and 70-hour battery life

  • Tracking MethodOptical
  • Resolution (DPI)3200
  • Hand OrientationRight
  • Buttons1
  • ColorBlack
  • 54 g lightweight build reduces hand fatigue during long sessions
  • Tri-mode connectivity with 2.4 GHz wireless, Bluetooth and USB-C wired for flexible use
  • S205 sensor delivers 120 IPS tracking and 25G acceleration for responsive control
  • 5-level DPI from 400 to 3200, expandable to 12800 via software for precise sensitivity tuning
  • 400 mAh battery provides up to 70 hours runtime with fast 2-hour charging

Lightweight right-handed gaming mouse

The Redragon M821 weighs 54g and is shaped for right-hand use. It connects by USB-C cable, 2.4G wireless with a 10m range, or Bluetooth for Windows and macOS. The S205 optical sensor provides 120 IPS tracking, 25G acceleration and 7200 FPS. Five onboard DPI steps run from 400 to 3200, expandable to 12800 via software.

Battery life and responsive performance

A 400mAh cell delivers up to 70 hours of use with lighting off and recharges in two hours. Auto-sleep activates after ten minutes of inactivity. The 1000Hz polling rate yields 1ms latency in wired and 2.4G modes. Switches are rated for 20 million clicks. Anti-slip feet give a smooth glide across surfaces.

Three connection modes for flexible setups

Plug the nano receiver into a USB-A port for instant 2.4G wireless, pair directly over Bluetooth for laptops or tablets, or use the USB-C cable for wired play while charging. Six programmable buttons (5+1) are configured through Redragon software. The compact, ambidextrous-style shell suits claw and fingertip grips. No driver install is needed for basic operation on supported operating systems.

Points forts

  • 54 g lightweight build reduces hand fatigue during long sessions
  • Tri-mode connectivity with 2.4 GHz wireless, Bluetooth and USB-C wired for flexible use
  • S205 sensor delivers 120 IPS tracking and 25G acceleration for responsive control
  • 5-level DPI from 400 to 3200, expandable to 12800 via software for precise sensitivity tuning
  • 400 mAh battery provides up to 70 hours runtime with fast 2-hour charging

Caractéristiques

BrandRedragon
Tracking MethodOptical
Resolution (DPI)3200
Hand OrientationRight
Buttons1
ColorBlack

Questions sur cet article

How do I install the M821 and which step do people often miss?

Plug the nano receiver into a USB port for 2.4G mode, connect the USB-C cable for wired mode, or pair via Bluetooth in system settings; the step often missed is installing the Redragon software to enable the 5+1 programmable buttons and DPI expansion to 12800.

What maintenance or replacement will the M821 need later?

The PTFE feet are rated for long glide life; if they wear down, replace them with compatible mouse skates. The 400mAh battery is internal and not user-replaceable, while the switches are rated for 20000000 clicks.

What limit appears first during sustained use of the M821?

The 400mAh battery delivers up to 70 hours with RGB off; once depleted, you must recharge for about 2 hours via USB-C, which interrupts continuous wireless operation.

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