CoolKiller CK 98 - WIN System Fn Key Functions

Fn Combination key (WIN system)
Press and hold for 3s to
restore factory Settings
Multimedia
Reduction in volume
Volume plus
mute
The last song
Next song
Pause play
stop
mail
Web page
The computer
calculator
Press Bluetooth 1 to connect back,
Long press Bluetooth 1 to pair
Short press Bluetooth 2 to connect
back,Long press Bluetooth 2 to pair
Tap Bluetooth 3 to connect back,
Long press Bluetooth 3 to pair
Short press 2.4G to connect back,
Long press 2.4G to pair
Wired mode
Querying Electricity Quantity
Main backlight effect switch
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