Gross Weight:67.5g
Power Type:Rechargeable
Number of Buttons:3
Number of Rollers:1 pcs
Hand Orientation:Both Hands
Package:No
DPI:2400
Interface Type:USB
Type:Bluetooth Wireless
Origin:Mainland China
Certification:CE
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iPad ios13/13.1/13.2/13.3:
!!!!! This is the specific step:
Accessibility--Touch--Assistive Touch--Devices