Precise details:

Specifications:
Brand: HXSJ
Model: L68
Product name: Three mode Wireless Keyboard
Connection mode: 2.4G+dual BT5.1
Number of keys: 68Keys
Mcu: HS6621DQ
Return rate: 133Hz
Charging current: maximum 560mA
Voltage/current: 3.7V/100mA
Button life: 50 million times or more
Keycap material: ABS
Charging interface: USB to Type-C conversion（1.5M）
Luminous Type: Rainbow backlight
Keyboard type: Membrane keyboard
Number of conflict free keys: 24 keys without conflict
Battery capacity: 2000mAh
bluetooth, 2.4G mandatory code matching mode: Esc+Q
Supports connecting 2.4G and two bluetooth devices, with a wireless transmission distance of 10 meters
Product size:35.9x12.2x4.25cm
Product weight: 525g
Packaging size: 38.5x15x4.5cm
Packaging weight: 690g

Features:
1: Three mode "BT1+BT2+2.4G" 68 key wireless keyboard can be connected to three devices at the same time, and can be quickly switched with one key.
2: The keycaps are made of environmentally friendly material ABS injection molded spherical keycaps with laser engraved characters. The keycap characters are opaque, wear-resistant, and permanently colorfast.
3: Keyboard color with three color keycaps, stylish appearance, 2 colorful lighting modes, can turn off lights.
4: The 65% 68 key compact keyboard design greatly saves desktop space, and the ergonomic bipod design of the keyboard allows for easy and free adjustment of typing angles during use.
5: The multifunctional combination keys of FN make our keyboard more comprehensive, supporting more shortcut keys, suitable for various computer systems, including multiple computer systems and Android systems. Windows and for MAC systems can quickly switch the corresponding keyboard layout by pressing FN+TAB, making it easier to use.

Products Include:
1x L68 Three Mode Wireless Keyboard
1x USB Receiver
1x USB to TYPE-C Charging 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.
Sleep mode:
The backlight remains on during normal use, and automatically turns off after 60 seconds of no one using it, entering an idle state (triggering any key to turn on the backlight).
After 10 minutes, it will enter sleep mode and needs to be awakened to use.

How to use:
First, turn the power switch to the "ON" position and turn on the power switch
BT1 mode wireless connection:
After pressing the FN+Q button, connect to the BT1 wireless connection mode. The BT1 light on the display screen will flash rapidly, and you can search for the connection name "BT Keyboard". Click to connect to "BT Keyboard", and the BT1 light will remain on. The keyboard light will be on normally, and the keyboard can be used normally.
BT2 mode wireless connection:
After pressing the FN+W button, connect to the BT2 wireless connection mode. The BT2 light on the display screen flashes quickly, and the connection name can be searched for as "BT Keyboard". Click to connect to "BT Keyboard", and the BT2 light stays on. The keyboard light is on normally, and the keyboard can be used normally.
2.4G mode wireless connection:
Press FN+E to switch to 2.4G wireless connection mode, and the 2.4G light on the display screen will flash. After inserting the blue USB receiver into the computer, the 2.4G light will remain on and the keyboard light will turn on normally. The keyboard can be used normally.