Weight Loss Whistle, Abdominal Respirator Household Products 66 InchesOperating Voltage: 12V–24V

66 InchesOperating Voltage: 12V–24V

Universal fits all eye sizes and is easy to clean

Refer to the actual product for final details

Bedroom alarm clock: Adult and child sleep alarm clock

Weight Loss Whistle, Abdominal Respirator Household Products 66 InchesOperating Voltage: 12V–24VFeatures: 1. Reduce breathing difficulties and increase vital capacity by exercising breathing muscles. 2. Work out in a comfortable armchair every day to increase lung strength. 3. Just use it for about five minutes a day (equal to 30 times "breathing"). 4. Small size and compact structure, you can use it anywhere. 5. Can be used by almost anyone, without any side effects. 6. Due to hygiene and safety considerations, this item cannot be returned. 7.