Mode switch description：
Use FN+Q = 2.4G (green light prompt)
Use FN+W = BT1 (blue light 1 prompt)
Use FN+E = BT2 (blue light 2 prompt)
A: The operation mode is to switch modes by short pressing
B: Long press for 5 seconds to enter pairing, (2.4G code pairing time is 10 seconds; Bluetooth code pairing time is 2 minutes)
C: Enter sleep time for 30 minutes
The main performance parameters of the keyboard：
a) Wireless working current: <7mA; go to sleep without any operation within 30 minutes, current 10 uA; press the button to wake up
b) Power-on mode: two switches at the bottom of the keyboard, (ON--OFF)
c) Working voltage: 3.0V
d) Wireless transmission distance: >10 meters (without interference)
f）Uses 2 AAA batteries (we do not ship batteries)
19 keys without punch (Note: in 2.4G mode)
Support 19 keys without conflict (Q.A.Z.W.S.X.E.D.C.B.Space.↑.↓.←.→.Tab.Alt-L/V.Ctal-L/F.Shift-L)
