4Pack Dog training Voice Recording Button set Dog Buttons Training Buzzer The biggest feature of our

The biggest feature of our LED glasses is bilateral control

Power supply mode: USB charging

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4Pack Dog training Voice Recording Button set Dog Buttons Training Buzzer The biggest feature of ourVoice Recording Button This listing is for 1 set of Voice Recording Button (4pcs) Characteristic: Clear RecordingThe recording button can record up to 20 seconds, and the sound is clear. You can repeat the sound you recorded, or you can re record it. Small size, easy to carry. Very practical and interesting! Pet Training BuzzerYou can record commands such as "food", "drink", "outside", "yes" and "no" to let your pet communicate with you; just a little