What is the difference between the m-dpt1mrbk & m-dpt1mrxbk models?

Thank you for your curiosity. These 2 models are exactly the same. One is sold by the ELECOM seller while the the another one is sold by Amazon. We differentiate the name for internal reason. We are sorry for this confusion. Thank you.

When i use aa nickel-metal hydride rechargeable, does it can charging when wired?

Thank you for your inquiry. Even if you choose wired mode, the nickel-metal hydride does NOT recharge.

Can one comfortably use the index and middle finger to move the track able while also keeping the thumb near the scroll area?

Absolutely, yes. With this design, your thumb naturally positions itself over the scroll wheel while your index and middle finger are centered over the trackball itself.

ASIN	B07CG1R3JT
Batteries	1 Lithium Polymer batteries required. (included)
Best Sellers Rank	#34,370 in Video Games ( See Top 100 in Video Games ) #289 in Mac Gaming Mice #1,129 in PC Gaming Mice
Customer Reviews	3.9 3.9 out of 5 stars (807)
Date First Available	April 24, 2018
Is Discontinued By Manufacturer	No
Item Weight	5.7 ounces
Item model number	M-DPT1MRBK
Manufacturer	ELECOM
Product Dimensions	5.25 x 3.6 x 2.26 inches

ELECOM DEFT PRO Trackball Mouse, Wired, Wireless, Bluetooth, Finger Control, Ergonomic Design, 8-Button Function, Optical Gaming Sensor, Smooth Red Ball, Windows11, MacOS(M-DPT1MRBK)

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