Introducing the Redragon K662 Gwern No-Backlit Gaming Mechanical Keyboard, a compact and versatile tool designed to elevate your gaming experience. With its optimized 68-key layout, this keyboard provides a perfect blend of portability and functionality, making it ideal for gamers with limited desk space. The K662 Gwern offers dual connectivity modes, supporting both 2.4GHz wireless and Bluetooth connections for flexible and seamless use across different devices. Powered by 2 AAA batteries, the K662 Gwern ensures continuous operation without the hassle of recharging. It features an intelligent power-saving mode that extends battery life by automatically entering sleep mode during inactivity. This keyboard also boasts full-key anti-ghosting technology, guaranteeing accurate key registration even during the most intense gaming sessions. Constructed with a durable iron plate and high-quality ABS material, the K662 Gwern is built to withstand rigorous use. The injection-molded keycaps add to its premium feel and longevity. Equipped with smooth and quiet red mechanical switches, the keyboard offers a satisfying typing experience and supports hot-swapping for easy customization. In summary, the Redragon K662 Gwern combines portability, reliability, and performance, making it an excellent choice for gamers seeking a durable and customizable keyboard without the need for backlighting. Interface Type 2.4G+BT Connection Type 2.4G+BT Layout US/Arabic Number Of Keys 68/69 KEY Battery 3.0V(AAA 2PCS） Working Currens ①2.4G<5mA，②BT<7mA Battery Specification AAA/2PCS Supporting OS WinXP/Vista/Win7/Win8/Win10/Win11 Size 310.7*101.75*40mm Cover Material Iron Plate Material ABS Keycap Material Injection Molded keycaps Keycap Text Injection Molding Lighting No Button Life 5000 Key Travel 4.0±0.2mm Key Operating Force 60±15g Using Environment 0-45℃ Vibration Test 5-50HZ amplitude 2mm Scanning Period: 55-10/min XYZ 3 direction Drop Test 76cm free fall 3 times on each side Temperature Cycle -20 1h, then 60 1h 4 cycle High Temperature Test 60±2℃ 72h High Temperature and Humidity 40℃±2℃ 90% ~ 95%RH for 72h Low Temperature -20±2℃ 72h Switch Red PCB 5 pin Hot-Swap Board