At the heart of it is a 1GHz BCM2710A1 with 64-bit ARM Cortex-A53 CPU  with 512MB RAM. Quite frankly, this Pi is about four times faster than the original Raspberry Pi and is only a fraction of the cost of the current RPi3.

Features-

1. Input voltage(V) – 5V DC 2.5A
2. Bluetooth Version – 4.2
3. Operating Temperature Range( °C) – -20 to 70