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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
Item Color: As shown
Battery type: 18650 lithium ion battery 3000mah
Resolution: 4mil
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Compatible with and identifies Li-ion (26650
Respiratory Training Device Lung Capacity Training Pulmonary Function Exercise Rehabilitation Device, Specification: Single Ball 5000ml YWXLight Item Color: As shown1. There are different measurements, which can be used for lung breathing training for different people. 2. Good breathing exercise helps keep the lungs healthy. Regular breathing exercise can not only strengthen the respiratory system, but also prevent lung diseases. 3. Help you breathe properly. Train deep breathing to help you open and clear the airways. This helps prevent upper respiratory tract diseases such as mucus accumulation, asthma, flu,
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