Corsair K63 Wireless TKL Mechanical Gaming Keyboard – Cherry MX Red – Blue Backlighting – Tenkeyless – USB 3.0 or USB 3.1 Type-A Connection – Ultra-fast 1ms 2.4GHz or Bluetooth 4.2 + LE Wireless Connection – 128-bit AES Wireless Encryption – Dedicated Media Keys – 1.8m Tangle-free rubber, detachable cable – Built-in rechargeable lithium-ion battery – Up to 15 hours at normal brightness and 75 hours without backlighting – CH-9145030-NA – 2 Years Limited Warranty