? 3pcs Breathing Training Device :This product comes in a set of three breathing training devices, making it perfect for those who want to improve their respiratory health. ? Respiratory Lung Expanders :The respiratory lung expanders in this device help to increase the capacity of your lungs, allowing you to breathe more easily and deeply. ? Jaw Exerciser :The jaw exerciser feature in this device helps to strengthen your jaw muscles, improving your ability to chew and speak. ? Home Fitness Exercise Equipment :This device is easy to use and can be used at home, making it a great option for those who want to improve their fitness levels without having to go to a gym. ? 3pcs Breathing Training Device :This product comes in a set of three breathing training devices, making it perfect for those who want to improve their respiratory health. ? Respiratory Lung Expanders :The lung expanders in this product help to increase the capacity of your lungs, allowing you to breathe more easily and deeply. ? Jaw Exerciser :The jaw exerciser in this product helps to strengthen your jaw muscles, which can improve your posture and reduce stress. ? Home Fitness Exercise Equipment :This product is easy to use and can be used in the comfort of your own home, making it a great option for those who want to improve their fitness levels. ? Realistic Training :The Breathing Trainer Asphyxiation First Aid Training Mask provides realistic training for cardiopulmonary resuscitation and asphyxiation emergencies. ? Portable and Lightweight :This mask is lightweight and portable, making it easy to carry during outdoor activities or emergency situations. ? Improves Cardiopulmonary Capacity :The mask helps improve cardiopulmonary capacity by simulating high-altitude conditions, making it ideal for trekking and other outdoor activities. ? Versatile Use :The mask can be used for various purposes, including first aid training, breathing exercises, and as a snorkeling mask. Features:The strong suction will help you suck out the blockage in prime time The spring design force of the device, even when used alone, does not affect the suction force. This product is not a medical device, and is only suitable for emergency training of choking. Specification: Material: PE + ABS respirator material Size: 25*25*10cm Color: Transparent yellow Weight: 0.184kg Packing: OPP bag Package included: 1* Breathing Trainer Asphyxiation Please note: About the size. ,There may be inconsistency of 1 - 3 cm, which is due to human error. Please refer to our size chart for reference only.2. About the color: The exact color of the item may vary depending on the monitor, lighting settings and conditions. The color on our pictures can only be used as a reference. This product is not a medical device, and is only suitable for emergency training of choking. window.adminAccountId=239350035;