X81 Tri-Mode Mechanical Gaming Keyboard with Multi-media Knob 75% 81 Keys RGB Backlit Hot Swappable Gasket Structure 8000mAh White Switch Wireless Gaming Office Custom Keyboard - Black

Specifications:
Model: X81
Product name: Three mode Mechanical Keyboard
Connection mode: 2.4G+BT5.3+Wired
Number of keys: 81Keys
Return rate: 133Hz
Voltage/current: 5.5V/310mA
Button life: 50 million times or more
Key cap Material: PBT
Charging interface: USB to Type-C conversion（1.5M）
Luminous Type: 11 kinds of RGB backlights+7 kinds of solid‑color backlights
Keyboard type: Mechanical keyboard
Number of conflict free keys: Full‑key rollover
Battery capacity: 8000mAh（Built-in 2 pieces of 4000 mAh lithium‑ion batteries）
Product size: 33x14.2x4.6cm
Product weight: 819g
Packaging size: 39.5x17.4x5.7cm
Packaging weight: 1080g

Features:
1. 81‑key 75% layout custom keyboard, compact & space‑saving
2. Tri‑mode Connection: BT5.3 + 2.4G + Wired, for gaming & office
3. 3‑tone gradient‑gray PBT side‑printed keycaps, anti‑grease & wear‑resistant
4. Multi‑function rotary knob for quick multimedia control
5. YUSYA linear switches, 47g actuation force, 3.8mm total travel
6. RGB backlight with 11 dynamic lighting modes
7. Support key customization for great custom‑build potential
8. Smooth linear typing, comfortable for long‑time use
9. Wide system compatibility: Windows, forMac, Android, iOS

Products Include:
1x X81 Three mode Wireless Keyboard
1x USB Receiver
1x Included 2in1 Switch & Keycap Puller
1x USB to TYPE-C Data Cable（1.5M）
1x Instruction Manual

System Requirements：
Windows 98/Me/2000/XP/Vista/ Win 7/Win8/Win10/Win11 or for Mac IOS and Linux latest.

How to Use the Three Connection Modes:
1.BT5.3 Connection
Slide the mode switch on the keyboard to BT mode.
Turn on bluetooth on your phone/PC, search for and pair with "HXSJ X81". Once connected, it is ready to use.
2. Wired Connection
Slide the mode switch to wired mode.
Plug the TYPE-C end of the included USB cable into the keyboard port, and the other end into your computer. It is ready to use.
3. 2.4G Wireless Connection
Slide the mode switch to 2.4G mode.
Take the USB receiver out of the keyboard's storage slot.
Plug the USB receiver into a USB port on your computer. It is ready to use.