This product is very nice.Mi a1 Mobile Phone is very good position.i using mi a1 mobile phone The speciality of this mobile is that product information os android version and this mobile has 4GB ram. And manufacture mi product dimensions 15.5× 0.7× 7.6cm.it is item model number is A1. Another speciality of this wireless communication technologies bluetooth wi fi hotspot.and it is a romantic person. Special features in this mobile phone daul sim, gps, music player, video player, radio fingerprint, rear mounted, accelerometer, gayroo senser, proximity sensor, email and other cemra features 5 mega picture front cemra and from factor touch screen phoons. And it is romantic couller of my mobile phone black.and the battery power rating in this mobile 3080. We love this mobile very much.I got for mobile for 2 years. But we already the desire the use this Mobile. But now we are crecting this mobile right.okk