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This User Manual covers all features, setup, and safety information for the Satechi Slim EX3 Wireless Keyboard (ST-KEX3C / ST-KEX3S).

What's In The Box

Slim EX3 Wireless Keyboard, 2.4 GHz USB-C receiver dongle, USB-C charging cable, User Manual.

Specifications

Model: ST-KEX3C / ST-KEX3S
Dimensions: 16.79 x 4.70 x 0.66 in (426.5 x 119.4 x 16.8 mm)
Connectivity: Up to 3 Bluetooth devices + 1 device via 2.4 GHz USB-C receiver
Bluetooth Range: Up to 10 meters (30 feet)
Charging Port: USB-C

Functions

1. Function Lock
2. Media / Function Keys
3. Fn Key
4. Bluetooth Device Keys with LED Indicator (3 channels)
5. 2.4 GHz Receiver Key with LED
6. Caps Lock LED Indicator
7. Num Lock Key
8. WIN Modifier Keys (switch in WIN mode)
9. MAC Modifier Keys (switch in MAC mode)
10. Numeric Pad
11. 2.4 GHz Receiver USB-C
12. Battery Cover with Screw
13. MAC / WIN Switch
14. ON / OFF Switch
15. Power / Charging LED
16. USB-C Charging Port

Setup

Turning the Keyboard On/Off
Move the switch on the top of the device to the "on" position. The green power indicator light will turn on for about 3 seconds.

Pairing Your Devices
1. Press and hold one of the three Bluetooth keys or the 2.4 GHz receiver key for 3 seconds to assign a device. Once paired, the indicator light will go solid for 1 second and then turn off.
2. On the host device, look for "EX3 Keyboard" in the Bluetooth settings and choose "Connect" to pair. The white LED will stop blinking, indicating a successful pairing. Repeat this process to add up to 3 Bluetooth devices.
3. To switch between Bluetooth 1, Bluetooth 2, Bluetooth 3, and the 2.4 GHz receiver, press the dedicated pairing key to switch devices.

2.4 GHz USB-C Dongle Connection
1. Remove the included 2.4 GHz USB-C receiver dongle from the back of your keyboard.
2. Connect it to the USB-C port on your device.
3. The EX3 keyboard should now be connected to the 2.4 GHz receiver.
Note: If the keyboard does not connect automatically, hold down the 2.4 GHz dongle icon on the keyboard to start pairing mode, then insert the receiver into the device to connect.

LED Indicators

ON/OFF: turns green for 3 seconds and turns off.
Low Battery: flashes red when battery is low.
Charging: turns red while charging.
Fully Charged: turns green and stays green.
Caps Lock: white LED turns on when Caps Lock is enabled.

Charging Your Keyboard

1. When the battery is low, the power indicator will flash red. Connect the keyboard to a computer or USB-C wall adapter using the included USB-C charging cable.
2. Charge the keyboard for 2 to 3 hours, or until the red charging LED light turns green.
Note: The keyboard is designed to accept a low wattage, so any wall charger 5W or greater is acceptable. After 60 minutes of non-operation, the keyboard will go to sleep mode; press any key to wake it up.

Safety Instructions

Warning: Fire, electric shock, or damage to the keyboard could occur if the following instructions are not obeyed.
1. Keep away from microwave radiation sources.
2. Do not place heavy objects on this product.
3. Avoid dropping and bending.
4. Keep away from oil, chemical, or organic solvents.