Abstract: A mouse including a main body, a switch module and a pressing component is provided. The switch module includes a switch member. The pressing component is disposed on the main body. The pressing component includes a pivot member, a key portion and an abutting member. The key portion is rotatable with respect to the main body through the pivot member. The abutting member is configured to provide a force for pushing the key portion to abut against the switch member.

Abstract: A mouse with an adjustable unit is disclosed. The mouse includes an upper casing and a lower casing, both of which form an accommodating space therebetween to receive a switch, a pressing unit, an adjustable unit, and a circuit board. The pressing unit further includes a plurality of keys formed on the upper casing. Each key has a protrusion on its lower surface. The adjustable unit further includes an adjustment member, a post mounted on one end of the adjustment member, and a plurality of resilient members located between the post and the protrusion.