SI-2816是一款2.4G、蓝牙(BLE5.2三通道)和有线3模97键机械键盘。支持连接5个设备，有线模式符合USB 1.1版本及其以上版本协议,适用于各种PC端。2.4G和蓝牙符合ISM（工业、商业、医疗业）频段自动跳频要求，有效避免无线装置之间相互干扰的问题 。2.4G和蓝牙传输10米无障碍可视操作距离。
- 时尚的外观设计，97键布局，Gasket结构，手感细腻软弹。
- 键帽和机械开关可插拔，用户也可以购买市面上各品牌开关和个性化键帽自由DIY。
- 键盘用料扎实，按键反应灵敏。
- 配备两段式脚架，内置隐藏式独立2.4G接收器收纳仓。
- FN+右Shift组合键可切换15种RGB灯效及关闭状态，共16种灯光模式：随波逐流、如影随形、正弦光波、旋转风车、七彩瀑布、花开富贵、游戏模式、关闭、常亮、呼吸、梦幻彩虹、一触即发、雨中漫步、涟漪扩散、百花争艳、川流不息。
- 配合专用驱动支持音乐律动RGB灯效，该模式下有10种灯效可选。
- 有线模式与2.4G模式下，配合驱动可实现全键自定义功能及宏定义，驱动支持自定义1600多万种颜色。
- 键盘采用人性化设计，与Fn键配合提供一系列常用快捷功能按键。
- 将右上角拨动开关拨至下方进入2.4G模式，4$键黄色灯慢闪；然后长按FN+4$键3秒，黄色灯快闪进入对码状态，此时插入接收器即可完成对码，4$键黄色灯亮2秒表示2.4G连接成功。注意：2.4G连接时需先进入对码状态再插入接收器，出厂默认已完成对码。
- 将右上角拨动开关拨至上方进入蓝牙模式（BLE5.0/BT3.0，设备名：KG98 3.0/KG98 5.0），键盘会根据终端设备的蓝牙版本随机广播，最多可连接3个设备：将右上角旋钮开关拨至蓝牙(BT1)，按键1下蓝色指示灯，FN+1=蓝牙1通道，通道广播时蓝色灯快闪，回连/连接成功后蓝色灯亮2秒；拨至蓝牙(BT2)，按键2下青色指示灯，FN+2=蓝牙2通道，通道广播时青色灯快闪，回连/连接成功后青色灯亮2秒；拨至蓝牙(BT3)，按键3下粉红色指示灯，FN+3=蓝牙3通道，通道广播时粉红色灯快闪，回连/连接成功后粉红色灯亮2秒。
- 默认为Windows系统，按FN+A键可切换至Mac系统，此键下方红灯闪烁3下；按FN+W键可切换回Windows系统，此键下方红灯闪烁3下。
- 将右上角拨动开关拨至中间进入有线模式，同时关闭键盘电池供电。
- 右上角拨动按钮支持双模式功能：a. 默认办公模式：上拨为音量加，按下为静音，下拨为音量减；b. 长按按钮可切换至游戏模式（指示灯闪烁）：上拨为背光亮度加，按下为背光灯效切换，下拨为背光亮度减。
- 长按Fn+Esc键3秒可恢复出厂默认设置，已配对的蓝牙设备不会被清除。
- FN+.>切换侧面灯光模式；FN+/？切换侧灯颜色（支持呼吸和常亮模式）；FN+右Alt=循环调节侧灯亮度；FN+右Ctrl=循环调节侧灯速度。
- Fn+↑=增加背光亮度；Fn+↓=降低背光亮度；Fn+←=降低背光速度；Fn+→=增加背光速度。
- Fn+Enter切换灯效颜色（红、绿、蓝、黄、粉、青、白、RGB）。
- Fn+左WIN=锁定/解锁左Windows窗口键（Windows系统下，锁WIN时锁WIN指示灯常亮）。
- 切换到Mac系统后，左WIN与左ALT键位置自动互换（该模式下WIN键锁定功能失效）。
- 低电量时ESC键红灯慢闪提示；充电时ESC键红灯常亮；充满电后绿灯常亮。
- 未充电状态下按住FN+Backspace键，整个背光熄灭，字母区【1!】-【0)】键显示电量：电量低时【1!】-【3#】键显示红色；电量高于30%时，【1!】-【0)】键全部显示绿色；松开按键后恢复默认灯效。
- 蓝牙/2.4G模式下，键盘3分钟无操作后背光灯熄灭进入待机状态，30分钟无操作后进入深度休眠状态；通过蓝牙连接时，可在电脑端查看键盘剩余电量。
- 键盘刷写固件补丁需切换至有线模式，刷写完成后请重新插拔USB线并重启键盘左上角的电源开关。
- 键盘回报率：有线模式1000Hz，2.4G模式1000Hz，蓝牙模式125Hz。
- 内置8000mAh大容量可循环充电锂电池，配备独立电源开关，环保节能，有效延长续航时间。
- 蓝牙、2.4G及有线模式均支持全键无冲。
- 采用Type-C接口，连接更可靠，性能更稳定，充电速度更快。
- 配合专用驱动可调节5档键盘响应速度。
- 配合专用驱动在基础自定义功能之上额外增加3层自定义功能：支持双FN层编辑，实现单键双组合功能；新增TAP层实现一键两用，共计4层自定义功能。
- Sleek and stylish design with 97-key layout and Gasket mount, delivering a smooth and bouncy typing feel.
- Both keycaps and mechanical switches are hot-swappable, allowing users to freely customize with switches and personalized keycaps from various brands on the market.
- Premium build quality with solid materials and highly responsive keystrokes.
- Equipped with two-stage adjustable feet and built-in hidden dedicated storage compartment for the 2.4G wireless receiver.
- Switch between 15 RGB lighting effects and off mode via the FN+Right Shift key combination, totaling 16 modes: Wave Flow, Shadow Follow, Sine Wave, Spinning Windmill, Rainbow Waterfall, Blossoming Prosperity, Gaming Mode, Off, Static, Breathing, Dreamy Rainbow, Trigger on Press, Rain Walk, Ripple Spread, Blooming Flowers, Endless Stream.
- Music-sync RGB lighting available via dedicated software, with 10 additional dynamic modes to choose from.
- Full key customization and macro programming supported in wired and 2.4G modes via dedicated software, which also allows customization of over 16 million colors.
- User-friendly design with a range of common shortcut functions accessible via the Fn key.
- Toggle the top-right switch down to enter 2.4G mode, with the yellow light under the 4$ key flashing slowly. Then press and hold FN+4$ for 3 seconds until the yellow light flashes rapidly to enter pairing mode. Insert the receiver at this point to complete pairing. The yellow light under the 4$ key will stay solid for 2 seconds when 2.4G connection is successful. Note: Enter pairing mode before inserting the receiver for 2.4G connection. The keyboard is pre-paired at the factory.
- Toggle the top-right switch up to enter Bluetooth mode (BLE5.0/BT3.0, device names: KG98 3.0/KG98 5.0). The keyboard broadcasts randomly based on the terminal device’s Bluetooth version and supports connection to up to 3 devices: Turn the top-right knob to Bluetooth (BT1) – blue indicator under key 1, FN+1=Bluetooth Channel 1 (blue light flashes rapidly for broadcasting, stays solid for 2 seconds when reconnected/connected); Turn to Bluetooth (BT2) – cyan indicator under key 2, FN+2=Bluetooth Channel 2 (cyan light flashes rapidly for broadcasting, stays solid for 2 seconds when reconnected/connected); Turn to Bluetooth (BT3) – pink indicator under key 3, FN+3=Bluetooth Channel 3 (pink light flashes rapidly for broadcasting, stays solid for 2 seconds when reconnected/connected).
- Defaults to Windows system. Press FN+A to switch to Mac system, with the red light under this key flashing 3 times. Press FN+W to switch back to Windows system, with the red light under this key flashing 3 times.
- Toggle the top-right switch to the middle position for wired mode, which also disables battery power.
- The top-right toggle button supports dual-mode functions: a. Default Office Mode: Toggle up for volume up, press for mute, toggle down for volume down; b. Long press the button to switch to Gaming Mode (indicator flashes): Toggle up for backlight brightness up, press for backlight effect switch, toggle down for backlight brightness down.
- Press and hold Fn+Esc for 3 seconds to restore factory default settings. Previously paired Bluetooth devices will remain saved.
- FN+.> = Switch side lighting modes; FN+/？ = Switch side light colors (supports breathing and static modes); FN+Right Alt = Cyclically adjust side light brightness; FN+Right Ctrl = Cyclically adjust side light speed.
- Fn+↑ = Increase backlight brightness; Fn+↓ = Decrease backlight brightness; Fn+← = Decrease backlight speed; Fn+→ = Increase backlight speed.
- Fn+Enter = Switch lighting effect colors (Red, Green, Blue, Yellow, Pink, Cyan, White, RGB).
- Fn+Left Win = Lock/unlock the left Windows key (Win lock indicator stays solid when locked, only applicable in Windows system).
- The left Win and left Alt keys swap positions automatically when switched to Mac system (Win lock function is disabled in this mode).
- ESC key flashes red slowly to indicate low battery; ESC key lights red solid during charging; Green light stays solid when fully charged.
- In non-charging state, press and hold FN+Backspace to turn off all backlights. The keys [1!] to [0)] in the alphanumeric area will display battery level: Keys [1!] to [3#] show red when battery is low; All keys [1!] to [0)] show green when battery is above 30%. Release the key to resume normal lighting effects.
- In Bluetooth/2.4G mode, backlight turns off after 3 minutes of inactivity to enter standby mode, and the keyboard enters deep sleep mode after 30 minutes of inactivity. Battery level can be displayed on your computer when connected via Bluetooth.
- Firmware update requires wired mode. After update, please re-plug the USB cable and toggle the power switch on the top left corner off and on.
- Keyboard polling rate: 1000Hz (Wired mode), 1000Hz (2.4G mode), 125Hz (Bluetooth mode).
- Built-in 8000mAh high-capacity rechargeable lithium-ion battery with integrated power switch for energy saving and extended battery life.
- Full N-key rollover (NKRO) supported in Bluetooth, 2.4G and wired modes.
- Equipped with Type-C interface for more reliable connection, stable performance and faster charging.
- 5-level adjustable keyboard response speed via dedicated software.
- Dedicated software adds 3 extra layers of customization on top of basic functions: supports dual FN layer editing for single-key dual-combination functions; adds TAP layer for one-key dual-purpose functionality, totaling 4 layers of programmable customization.