Portable light therapy device with cap /helmet, red light hair therapy device, Male & female Hair care device. FDA Cleared, rechargeable. Easy and convenient, you could use it when you driving, working, writing ,walking etc, everywhere. No drugs, improving hair health, we suggest to use it 30mins/time (it'll stop auto in 30mins), 1time/2days( or 2--3times/week). 30days no reason return, 1 year quality warranty, 24hours tech supports.