HEPA Filter Face Mask, Oxygen Ventilator Sports Mask, 3-Speed Airflow Ventilator, Air Purifier Masks PM2.5 H13 - LYFY-HEPA-MASK Air purifier Face mask 👉 6-8 hours on a

👉 6-8 hours on a single charge at fastest fan level

0G HZ，A big core ARM Cortex-A76 and Quad core ARM Cortex-A55 CPU GPU： Mali G57 MC2 GPU Operating system： Android 14 RAM： 4GB LPDDR4 Storage capacity (flash memory）： 64GB EMMC WIFI: Realtek 8852be(wifi6) 2

👉 Comes with exercise lanyard strap & velcro adhesive patch

Fan RPM: 7200RPM

We spent many months on prototyping and adjusting the tooling

HEPA Filter Face Mask, Oxygen Ventilator Sports Mask, 3-Speed Airflow Ventilator, Air Purifier Masks PM2.5 H13 - LYFY-HEPA-MASK Air purifier Face mask 👉 6-8 hours on aIntroducing LyFy HEPA Respiratory Mask! LyFy PM2. 5 HEPA Mask Portable Ventilating Air Filtration Respiratory Mask LyFy HEPA Mask Intro: Introducing LyFy Ventilating Airflow Sports Mask! Lyfy is a portable air purification system with PM2. 5 HEPA filter, 3 speed fan for easy breathing and adjustable airflow. Retrofit the HEPA filter box to your own resuable or respiratory face masks. Wear running, biking, jogging, doing yoga, in the gym. For students,