Yes, Nokia 3310 comes with Bluetooth 3.0 version.
No. Nokia 3310 has dedicated MicroSD slot. You can use 2 sim cards and 1 memory card all at the same time in this phone.
No. Nokia 3310 do not support 4G and VoLTE.
Nokia 3310 comes with pre-loaded Nokia owned fonts. You cannot change them.
Nokia 3310 is a dual sim mobile phone.
There are a few things that do bring back the feeling of owning an original Nokia 3310, such as the classic Nokia ringtone, the physical buttons, the tiny body, and solid build quality.
You can buy other feature phones for less than this, and the new Nokia 3310 doesn't justify the extra outlay over the simple nostalgia card it's playing.