⚠️ Please read the profile before purchasing. Thank you. m(_ _)m Final price reduction Hypoxic Mask Training Mask 6-level adjustment Washable Unisex My husband purchased this for training purposes, but only used it twice for jogging around the house and then stored it. Purchased in 2021. There are no noticeable scratches or stains, but there are very small hairline scratches. There are some scratches on the carabiner. Please note that there may be some dust on the case and the main body as they are black. There is no stickiness on the silicone, and it is in relatively good condition. Alcohol-sterilized Brand: BLH-JP Material: Food-grade silicone, fabric Size: M Color: Black Weight: Approximately 100g (measured at home) Product Specifications The hypoxic training mask can be worn during training to reduce oxygen intake and allow you to train in a hypoxic state. Effects include: Increased lung capacity Increased stamina Muscle strengthening Increased endurance Improved cardiopulmonary function Strengthening of mental and physical strength Increased concentration, etc. ● 6-level adjustment Replicates本格的な高地トレーニング, creating a hypoxic state to strengthen cardiopulmonary function. LV1: Altitude 500m LV2: Altitude 1000m LV3: Altitude 3000m LV4: Altitude 4000m LV5: Altitude 5000m LV6: Altitude 6000m You can adjust the intensity in 6 levels with the lever. Walking Running Boxing Weight training Cycling Fitness Elevation mask