It is - M-DPT1MRBK track ball DEFT PRO (forefinger operation type)
DEFT PRO Trackball Mouse
Elecom M-DT2DRBK Wireless Index Finger Trackball Mouse , EX-G Series L Size 8
long-life parts are used, and a 3-year warranty is realized. The DEFT PRO is a high-spec model of index finger operated trackball that has further
ELECOM Wired Wireless Trackball Mouse Bluetooth M-dpt1mrxbk 8button
Elecom DEFT PRO M-DPT1MRXBK Trackball - Trackball Mouse Reviews
Elecom Wired Wireless Trackball Mouse Bluetooth M-dpt1mrxbk 8button
ELECOM EX-G Pro Trackball Mouse, Wired, Wireless, Bluetooth, Thumb Control, 8-Button Function, Ergonomic Design, Optical Gaming Sensor, Smooth Red Ball, Windows11, macOS (M-XPT1MRBK) : Electronics
Elecom Wired Wireless Trackball Mouse Bluetooth M-dpt1mrxbk 8button
Elecom DEFT PRO M-DPT1MRXBK Trackball - Trackball Mouse Reviews
Product Description This XREAL(Nreal) Air device offers a simple and compact design that allows you to connect directly to a conversion adapter and enjoy popular video services and games on a variety of devices. However, if you experience no sound after connecting to your iPhone, you will need to update the firmware on the Nreal Air side. For information on how to update the firmware, please refer to the NEWS section of the Nreal JP website.
XREAL (Nreal) Adapter NR-7100AGL HDMI Connection iOS Compatible
Elecom Wired Wireless Trackball Mouse Bluetooth M-dpt1mrxbk 8button
Elecom DEFT PRO M-DPT1MRXBK Trackball - Trackball Mouse Reviews
DEFT PRO Trackball Mouse, Wired, Wireless, Bluetooth 8-Button Function - Computers & Laptops