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Specifications
Connection Methods
Functions
RGB ambient light
· Number of keys: 79 keys
MERCURY K1 PRO
· Keyboard switch type: Mechanical switch
75% Wireless Mechanical Gaming Keyboard
· Bluetooth version: V5.0
2.4G Connection: Toggle the switch on the left to 2.4G mode, ~ key's cyan light will flash slowly. Then, press FN+~ for 3
seconds until the cyan light flashes quickly to enter pairing mode. At this point, insert the receiver to complete the pairing.
The`~ key's cyan light will stay on for 2 seconds, indicating a successful 2.4G connection. (Note: When connecting via 2.4G,
search first before inserting the receiver). The factory default is pre-paired, so you can automatically connect by inserting
the USB receiver into the computer's USB port.
· Bluetooth name: K1 PRO
Multi-media knob
Turn up for volume +
Press in the middle to mute
Turn down for volume -
· Wireless distance: >10 meters
Bluetooth Connection: Toggle the left switch to Bluetooth mode BT3.0/BLE5.0 (Device name: K1_3.0/K1_5.0)
· Battery capacity: 8000mAh
· Battery life：
Depending on the Bluetooth version of the terminal device, it will broadcast randomly, and up to 3 devices can be
connected:
● Approximately 33 hours (default lighting effect)
+
● Approximately 666 hours (with all lights off)
Caps Lock Indicator
(Lowercase - Flowing RGB,
Uppercase - Constant White Light)
The blue indicator flashes quickly when broadcasting, reconnects slowly, and stays on
for 3 seconds when connected
= Bluetooth 1:
· Input : DC 5V~1200mA
+
= Bluetooth 2:
· Charging time: About 10 hours
The blue indicator flashes quickly when broadcasting, reconnects slowly, and stays on
for 3 seconds when connected
Three-sided ambientlighting on the sides
· Interface type: Type-C
· Product dimensions: 415*187.6*57.6mm
+
= Bluetooth 3:
The blue indicator flashes quickly when broadcasting, reconnects slowly, and stays on
for 3 seconds when connected
· Product weight: 1.18KG
Wired Connection: Toggle the left switch to wired mode, the white light on the "4"key stays on for 3 seconds.
· System Support: Windows XP and above / Mac
BT
· USB Receiver
· Connection Mode Toggle Switch
(2.4G/Wired/Bluetooth)
· System Switch (WIN/MAC)
· Type-C Port
User Manual
02
01
03
Operating System Mode Switching
Windows operating system
Lighting Effects
Battery Display
（single key press function of the F key and FN key combination function with the F key）
Key Backlight Effects
Key F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12
· Press and hold Fn + B to check. 1~0 indicates batterylevel: all green when fully charged, green lights gradually decrease as battery
is consumed, if battery <30% 1-3 ights turn red, if battery ≥30% 1-0 lights remain green.Release to restore the light effect.
· When battery is low, the FN key flashes red. During charging, the FN key lights up red continuously,and turns off when fully charged.
· Battery status can be displayed on the computer when connected via Bluetooth
· Fn + Left WIN = Lock/Unlock the left WIN key (when WIN is locked, the WIN indicator stays on; not locked in
Android/MAC/IOS systems).
· When switched to Mac system, the positions of left WIN/left ALT are swapped (WIN not locked). When switched to
Mac/IOS systems, key positions are swapped(WIN not locked) as shown in:
· Fn + "|" key combination = Switch between 13 types of RGB backlight effects: Wave (default effect after reset), Shadow Follow,
Sine Wave, Spinning Windmill, Colorful Waterfall, Prosperous Bloom, Gaming Mode, Off Constant Light Mode, Dream Rainbow,
Instant Trigger, Key Ripple, Starry Sky.
WIN LEFT WIN LEFT ALT RIGHT ALT
+
= Increase Brightness
+
= Decrease Speed
+
= Switch Backlight Color
F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12
Single
Press
Factory Reset
Mac LEFT Option LEFT Command RIGHT Command
+
= Decrease Brightness
+
= Increase Speed
Decrease
Brightness
Increase
Brightness
Volume
Up
Fn
Combination
Previous
Track
Home
Email
Switch
Window
Play/
Pause
Next
Track
Mute
Volume
Down
Open
File
Explorer
· Press and hold Fn + Esc for three seconds to restore defaults. Previously connected Bluetooth devices will remain saved.
Hotkey Instructions
(Make sure the left switch is set to the corresponding mode FN+`~/1/2/3 to enable pairing)
Mac System
Software Download
Ambient Light Effects
XXXXXXXXXXX
Fn+ ESC ·~ 1! 2@ 3@ \| TAB ↑
（F Key Single Function and FN Combination Function）
XXXXXXXXXXX
XXXX
2.4G
Pairing
Combination
Functions
Bluetooth
Device 1#
Bluetooth
Device 2#
Bluetooth
Device 3#
· To download the driver, please visit gravastar.com to get the download link.
You can define your preferred key functions, combination functions, backlight effects, etc., through the driver software.
Restore
Factory
Settings
Increase Key
Backlight
Brightness
Switch Key
Backlight
Effects
Switch Key
Backlight
Color
XXXXX-XX
Key F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12
Key Backlight Effects
· Fn + Right Shift = Switch Side Ambient Light Mode. Monochrome steady light (default lighting effect), monochrome breathing, running
light, colorful stream, and rainbow color change. These are the 5 lighting effects available. Among these, monochrome breathing,
monochrome steady light, and running light can switch colors, including white, red, green, blue, yellow, purple, and cyan.
Fn+ ↓ ← → WIN-L DEL PGUP PGDN U
XXX-XXXXXX
+
= Switch Ambient Light Color
+
= Cycle through Ambient Light Brightness
/?
,<
What's in the Package
Insert
HOME
END
Print Screen
Return to
desktop
Decrease
Brightness
Increase
Brightness
Single
Press
Previous
Track
Switch
window
Play/
Pause
Next
Track
Mute
Volume
Down
Combination
Functions
Decrease
Screen
brightness
Volume
Up
Increase
Screen
brightness
Decrease Key
Backlight
Brightness
Decrease Key
Backlight
Speed
Increase Key
Backlight
Speed
WIN System
Lock WIN
and APP
+
= Cycle through Ambient Light Speed
.>
Fn+ I O B
F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12
Fn
Combination
Manufacturer: ZhuoYe ChuangYi Co. Ltd
Address: Room 602-1 Building 6 Shenzhen Bay
Eco-Tech Park, Nanshan District,
Shenzhen City, Guangdong Province, China
Keyboard x 1 / 2.4G Receive x 1 / USB-A to USB-C Cable x 1
User Manual x 1 / Switch Puller x 1
Scroll Lock
Pause
Battery Indicator
Combination
Functions
04
05
06
07
v1.0