RK ROYAL KLUDGE RK61 Wireless 60% Mechanical Gaming Keyboard, Ultra-Compact Bluetooth Keyboard with Tactile Blue Switches, Compatible for Multi-Device Connection, White

Switch wired/bluetooth mode
(Updated Version) Wired mode: Switch on the back of the keyboard needs to be OFF with cable connected;
Bluetooth mode: Switch ON with the cable disconnected
(Old Version) Click FN+Tab to change into wired or Bluetooth mode;

Bluetooth matching mode
(Updated Version) Long-press FN + Q/W/E to activate Bluetooth pairing mode, Q/W/E will be flickering when the keyboard is able to be paired, backlit will stop flickering when the pairing is complete
(Old Version) Long-press FN + P activate Bluetooth pairing mode...

Switch arrow key function
FN + Enter (Updated Version)
FN + Right SHIFT (Old Version)

Switch secondary 6 functional key
FN + Left Ctrl (Updated/Old Version)

Way to type a ?
FN + Right SHIFT + /(?)
or press Left SHIFT + /(?) directly under arrow keys function disabled

Specifications:
Dimension: about 292*102*39mm
Net Weight: about 0.5kg
Key Switch: Blue Switch
Operating Force: 50g-60g
Key Numbers: 61 Keys
Key Life: >50 million times
Operating Current: 150mA
Operating Voltage: 5V
Keycap Type: ABS Double Shot Keycaps
Operating System: Windows XP/Win2000/Win7/Win8/Win10/Mac/IOS/Android
Built-in 1450mAh lithium battery

Package Included:
1 x RK61 mechanical keyboard
1 x Removable Type-C cable (Micro USB old version)
1 x User manual

Note:
Spacebar will have a red LED light on while charging, red lights out when fully charged. (Old Version)
Spacebar backlit will flash 3 times while charging, 5 times shows it's fully charged. (Updated Version)