Name: Trust Bayo II Ergonomic Wireless
Brand: Trust

Trust Bayo II Ergonomic Wireless

Anyone who wants to try a certified vertical mouse that is cheap and has a rechargeable battery.

Manufacturer specs · reviewed on 2026-09-14

Vertical mouse with a 57° angle and 3-star ErgoCert certification, with silent buttons and two thumb side buttons. Selectable sensitivity from 800 to 2400 dpi and a rechargeable battery lasting up to 3 months; a 5-minute charge gives 8 hours of use. It connects via a 2.4G USB micro receiver and is made with 70% recycled plastic.

Explore features +

1. Check that it fits you

Measure your hand from the wrist to the tip of the middle finger: the mouse filter uses your size.

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What defines it

57° tilt

The angle that puts the forearm in a neutral position, without the twist of a flat mouse. The useful range is between 57 and 60 degrees.

Sizes S / M / L

Measure from the wrist crease to the tip of the middle finger: under 17 cm is S, 17-19 M, over 19 L. Size beats brand.

Designed for real use

Details that decide the purchase: wireless.

Editor's rating

0-10 scores calculated from manufacturer specs over our catalog's range — published method. They are not manufacturer figures.

Specifications

Other data
Type	Vertical mouse
Hand sizes	S / M / L
Left-hand friendly	No
Length	120 mm
Vertical angle	57°
Connection	Wireless
Certification	ErgoCert 3 stars
Sensor	800-2400 dpi
Buttons	Silent + 2 side buttons
Battery	Rechargeable, up to 3 months
Connection	2.4G USB micro receiver
Material	70% recycled plastic
Dimensions	120 x 77 x 73 mm, 115 g (Trust official datasheet)

Approximate specs from public listings, being verified with the manufacturer.

Pros and cons

✓ Vertical angle of 57° — neutral forearm
✓ Wireless
✓ Covers all hand sizes

✗ For right-handed users only

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