Voice Recording Button, Dog Buttons for Communication Pet Training Buzzer, 30 Second Record & Playback, Funny Gift for Study Office Home, Talking Buttons for Dogs (2 Packs) 2 Packs sold2024 The focal length is fixed

The focal length is fixed at 1 inch

such as: MP3 Players

The ergonomic design fits comfortably in the left or right hand

5mm Lens Cap Bundle Feature: - Made of high impact plastic for extra durability

Specification:Material: SUS304 Stainless SteelMounting Hole Diameter: 4

Voice Recording Button, Dog Buttons for Communication Pet Training Buzzer, 30 Second Record & Playback, Funny Gift for Study Office Home, Talking Buttons for Dogs (2 Packs) 2 Packs sold2024 The focal length is fixedVoice Recording Button, Dog Buttons for Communication Pet Training Buzzer, 30 Second Record & Playback, Funny Gift for Study Office Home, Talking Buttons for Dogs (2 Packs) Product Features 30 Second Clear RecordingThe recording button can record up to 30 seconds. You can repeat the different sounds recorded. Clearly record voice & playback smoothly. Small size, easy to carry. Great toy for play games when friends to get together or go out on picnics