hk1 max android 9.0 tv box 2gb 16gb 4gb 64gb 32gb rk3318 quad core 2.4g 5g dual wifi bt 4.0

there are three options for hk1 max box: a: 2gb+16gb+2.4g wifi (no bt) b: 4gb+32gb+2.4g&5.8ghz wifi +bt4.0 b: 4gb+64gb+2.4g&5.8ghz wifi+bt4.0