The detachable leather handle can be used for weightlifting to exercise arm strength. By using high-pressure hydrogen dissolution technology, hydrogen molecules are fully integrated with water under high pressure. USB charging port, one-button start of hydrogen production. Portable nylon strap, more convenient to carry when going out" "Kettle capacity 1500ml Electrode material: titanium and platinum DuPont ion exchange diaphragm Bottle material: food grade PC Working time: 5 minutes Water solubility: 1300-1800ppb hydrogen content Battery capacity: 3.7V/1500mAh Battery type: lithium polymer battery Charging time: 2-3 hours Can work about 15-17 times after fully charged"