Connection: Bluetooth3.0/5.0 (Bt1 / Bt2 )& 2.4g wireless

Compatible: iphone iPad windows 7/8/10 android 2.43 above mac 10.10 Or newer

AAA batteries

Weight 530g

79 keys

Directions to use: put batteries in it (in the back)

Connections:

2.4g : insert USB into Mac or other laptop

Bluetooth: turned on Bluetooth press F2/F3 and hold for 4 sec

choose the device “ cheeseCR3.0/5.0 “from the list on your table/ phone

For Mac OS press Fn and O together the light turned off means connected

for windows press Fn and P together