Nokia 3310 Dual Sim variant comes with Mobile Phone, Battery, USB Micro Charger, Earphone and Quick Start Guide as in-the-box accessories.
You can record vidoes in VGA resolution in Nokia 3310.
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.
Yes, Nokia 3310 keypad is backlit enabled.
Yes, Nokia 3310 does have calendar.
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.