Hello first of all let me tell u something,
its a china based company ( xiomi) . after uri attack I stop buying product of china. bcoz indirectly they are supporting pakistan n paki supporting terroriest. so boycot from my side.
about ph yes it is very usefull ph in this prize. in fact best in this prize. everything good in thos ph. as well as touch. u can go for this product. but try to not taking chinis products. I support india. DO U REALLY SUPPORT?