Raspberry Pi Zero W (with headers presoldered)

At the heart of the Raspberry Pi Zero W is a 1GHz BCM2835 single-core processor with 512MB RAM. MIcro Sized Design

802.11 b/g/n wireless LAN

Bluetooth 4.1

Bluetooth Low Energy (BLE)

1GHz, single-core CPU

512MB RAM

Mini HDMI and USB On-The-Go ports

Micro USB power

HAT-compatible 40-pin header pins

Composite video and reset headers

CSI camera connector