For Digital 2.4GHz Wireless Trackball Mouse Ergonomic Design Finger Using Track Ball Mouse Handheld Optical Mice for Android TV PC

Operation Mode : Trackball Power Type : RECHARGEABLE Number of Buttons : 2 Number of Rollers : 1 pcs Hand Orientation : Right Package : Yes Style : Trackballs DPI : 1000 Interface Type : USB Type : 2.4Ghz Wireless Brand Name : Worallymy

model number : dz3009 feature 2 : trackball feature 3 : wireless ergonomic mouse feature 4 : ball mouse feature 5 : track ball mouse feature 1 : mouse ball Certification : CE,FCC,RoHS,weee