Vertical mice

サンワサプライ (Sanwa Supply) MA-EWBS522 FREERO

A small, rechargeable 2.4GHz wireless ergonomic mouse from Sanwa Supply's FREERO series, with silent buttons and five buttons.

Some specs could not be matched to a source · Last verified: 2026-10-17

~¥4,280

Where to buy

No US retailer found yet. Official site

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Pros

  • Silent buttons
  • Light at about 60 g and rechargeable over USB Type-C
  • Switchable cursor speed of 1,000/1,600/2,400 dpi

Cons

  • No tilt angle is stated, and the shape may differ from a typical vertical mouse
  • Compact size may not suit large hands
  • Side buttons do not work on Mac

Specs

HandednessRight
Angle—
Hand length fit—
Buttons5
Weight60 g
ConnectivityUSB receiver
OSwindows, macos, chromeos
Released2024
Sources
AD · detail-mid

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