The Raspberry Pi Zero W extends the Pi Zero family and comes with added wireless LAN and Bluetooth connectivity, the Pi Zero W has all the functionality of the original Pi Zero, but comes with added connectivity.Raspberry Pi Zero W have a single micro USB port, this requires a USB OTG cable to connect devices such as keyboards or hubs.
Specifications:
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
Composite video and reset headers
CSI camera connector
Dimensions:65mm x 30mm x 5.4mm
Weight: 9g
Package Includes:
Compact size and working is great