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A4Tech Bloody Mechanical Optical Keyboard (B640)

PKR 8,899

Availability: In stock

4 - 5 Working Days

Details brings you the best Price for A4Tech Bloody Mechanical Optical Keyboard (B640) With Free Shipping all over Pakistan.



  • B640 Model Optic-Switch
  • Light speed never abrade
  • Mechanical Keyboard
  • 100million keystroke
  • 6 backlit modes
  • 3 brightness levels
  • Screw enhance space-bar
  • Simultaneous keystroke without conflict
  • Built in headset and USB extension port
  • Slanted caps prevent accidental click
  • 1Ms extreme key response
  • Removable palm rest for comfortable wrist position


The Bloody Hand:

Bringing the functionality of a full-sized keyboard with N-key rollover and a 1,000Hz report rate, A4 Tech introduces the Bloody B640 Keyboard, built with optical switches to give you the fastest gaming experience possible. Get into the mood with red LED backlighting and feel the caress of textured, grooved, silicon WASD keys so you never lose your place as your fingers fly across the keys.

Cut the Chatter:

You’ve moved on from your rubber dome keyboard and jumped into the smooth existence that is mechanical keyboards, but one of your keys keeps double tapping. It’s not your technique that’s suffering, but a phenomenon called key chattering. Most mechanical switches work by metal-on-metal contact, but their flexibility can cause them to bounce and be registered twice. The Bloody B640 keyboard’s optical switches eliminate that problem by removing any physical switch contact, keeping you at a 100% hit rate.

Deactivate a Laser with a Click:

Instead of touching two pieces of metal together, each key is outfitted with an optical sensor and light source which registers the keystroke at the speed of light. Every key press is registered as soon as the light beam is interrupted allowing for unparalleled accuracy and speed. Relying purely on the life of led instead of any physical components you can safely click away to your hearts delight without worrying about any key failure.

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