Featuresr 121inch ips full view 3d single arc lens 240 240pixelr cnc process 316l aluminum metal and stainless steel cd texturer the latest mtk2502c chipset bigger memory and faster speedr rom 64mb ram 128mb big storager blutooth v40 working range up to 10 metersr 5 kinds of dials humanistic ui designr 200 mah lithium ion battery capacityr support for android ios systems easy to operate