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Cooler Master CK721 Keyboard Black TTC Blue Switches ARGB Backlighting USB Wireless - CM-CK721 BLACK/TTC BLUE (CK-721-GKTL1-US)

Cooler Master CK721 Keyboard Black TTC Blue Switches ARGB Backlighting USB Wireless – CM-CK721 BLACK/TTC BLUE (CK-721-GKTL1-US)

Original price was: ₱5,300.00.Current price is: ₱4,995.00.

65% mechanical keyboard with TTC Blue switches (50M+ clicks)
RGB lighting (16.7M colors) with MasterPlus+ and on-the-fly controls
Wired USB-C, 2.4GHz (1 ms), Bluetooth 5.1 (8 ms) connectivity
2000 mAh battery, up to 73 hours (LEDs off)
Space gray aluminum/plastic body, 764 g, with wrist rest
2-year warranty, 3-way rotary encoder for customization

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SKU: CM-CK721 BLACK/TTC BLUE Category: Keyboard Tag: Cooler Master

CoolerMaster CK721: Compact Wireless Mechanical Keyboard with RGB Lighting

The CoolerMaster CK721 (CK-721-GKTL1-**) is a versatile 65% mechanical keyboard designed for gaming and productivity. Featuring TTC Blue mechanical switches (50 million+ keypresses), it offers a clicky, tactile typing experience. The space gray aluminum and plastic body measures 334 x 118 x 37 mm (up to 46 mm with adjustable feet) and weighs 764 g, ensuring portability. Per-key RGB lighting with 16.7 million colors is customizable via the MasterPlus+ software or on-the-fly controls for lighting, macros, and multimedia (via FN key). It supports wired USB-C, 2.4GHz (1000 Hz polling, 1 ms response), and Bluetooth 5.1 (125 Hz polling, 8 ms response) connectivity, compatible with Windows 8+, Mac OS X 10.10+, Android, and iOS. The 2000 mAh battery lasts up to 73 hours (LEDs off), with wired charging via a 1.8 m detachable braided USB-C cable. A 3-way rotary encoder adjusts volume, lighting, and more, while a removable top plate allows maintenance. The included cloth/SBR wrist rest (334 x 95 x 18 mm) enhances comfort. Backed by a 2-year warranty, the CK721 is a durable, feature-rich choice for compact setups. For optimal use, update firmware via MasterPlus+ in 2.4GHz mode.

[](https://thepcenthusiast.com/cooler-master-ck721-65-wireless-mechanical-keyboard-review/)[](https://www.coolermaster.com/catalog/peripheral/keyboards/ck721/)

Cooler Master CK721 Mechanical Wireless Keyboard Specifications
Specification	Details
Brand	CoolerMaster
Product Name	CK721
Product Number	CK-721-GKTL1-** (Blue Switch)
Keyboard Type	Mechanical
Keyboard Switch Type	TTC Mechanical Switch (Blue)
Keyboard Keycaps	ABS Painting & Laser Engraved, OEM Profile
Keyboard Material	Aluminum, Plastic
Keyboard Color	Space Gray
Keyboard LED Color	RGB, 16.7 million colors
Keyboard Polling Rate	1000 Hz (Wired/2.4GHz Mode), 125 Hz (Bluetooth Mode)
Keyboard Response Time	1 ms (Wired/2.4GHz Mode), 8 ms (Bluetooth Mode)
On-the-fly System	Yes, for Multimedia, Macro Recording, and Lighting Control
Keyboard Multimedia Key	Through Function Key (FN)
Connectivity	Wired, 2.4 GHz, Bluetooth 5.1
Charging	Support Wired Charging
Battery	2000 mAh
Battery Life	Up to 73 hours (LED Off)
Compatible OS	Windows 8+, Mac OS X 10.10+, Android, iOS
Software Support	Cooler Master MasterPlus+
Keyboard Cable	1.8 m, USB Type C to Type A, Detachable & Braided
Wrist Rest	Cloth/SBR, 334 x 95 x 18 mm
Keyboard Dimensions (L x W x H)	Standard: 334 x 118 x 37 mm (13.15 x 4.65 x 1.46 inch), With 1st stage feet open: 334 x 118 x 43 mm (13.15 x 4.65 x 1.69 inch), With 2nd stage feet open: 334 x 118 x 46 mm (13.15 x 4.65 x 1.81 inch)
Keyboard Weight	764 g (1.68 lbs) without cable
Warranty	2 Years (excludes misuse or mishandling)
Series	CK Series
Additional Features	65% layout; 3-way customizable rotary encoder; removable aluminum top plate; hybrid key rollover (6KRO in Bluetooth mode, NKRO in wired/2.4GHz mode); adjustable feet for ergonomic typing angles
Disclaimer	To ensure optimal use, download the MasterPlus+ software and update the latest firmware via 2.4GHz connection