PRODUCT GRADING (Grade B) - Good Condition > Very light scratches and light signs of use > Refurbished to the highest standards. Retail Box WHAT IS IN THE BOX HETOETF Wireless Mechanical Gaming Keyboard, 61 Keys RGB LED Backlit Keyboard with Bluetooth and USB-C USB Adapter PRODUCT DESCRIPTION Bluetooth / 2.4G wireless / USB-C with three connection modes - First generation of three-mode RGB wireless mechanical keyboard on the market. With stable Bluetooth 3.0/5.0, 2.4G wireless, three USB-C wired connection modes, reliably and quickly to connect to desktops/laptops/tablets/mobile phones and other devices. You can connect up to three Bluetooth devices, and switch between them through FN + B1/B2/B3. RGB LED Backlight: The wireless keyboard has 16 kinds of RGB backlight, it supports 8 groups of backlight modes. You can adjust the backlight mode, brightness and speed. It brings you the most extreme gaming experience and the most colorful visual feast. Classic 61 Mechanical Keys Layout-This HK61 is a 61-key royal blue switch mechanical keyboard with the scientific ladder keyboard layout offers maximum comfort, perfect size, easy to carry, and good for family, business travel and office, no numpad, more practical for gamers and typists, give your desk more space. 3000mAh Big Mac - 3000mAh battery can be used continuously for at least 15 hours with the backlight on. The backlight is off, it can be used continuously up to 200 hours, in addition, the keyboard can be charged at the same time in the USB-C cable state, saving charging time.Wide Compatibility: Compatible with Windows, Mac iOS, Android, no driver needed. In order to keep the keyboard stable, please use a power supply not higher than 5V/2A for charging. If the product is not used for a long time, please turn the power supply to the \"OFF\" position. There are instructions for use at the bottom of the keyboard, please read carefully before use. PRODUCT INFORMATION Connectivity technology - Bluetooth, USB, USB-C Compatible Devices - Laptop PC Smartphone Tablet Included Components - Usb_cable Brand - HETOETF Color - Black RGB keyboard backlight - color Number of keys - 61