What's in the box:

NGFF(M.2) Key B Extension Card Adapter Card Only Support NGFF SATA Protocol (Standard)

Features:
Only NGFF Key B SATA bus is supported, NGFF Key M PCI-E bus is not supported?
Thickened PCB board, more durable and stable, has better conductivity and stability for high-speed signal transmission.
Support 22*30/22*42/22*60/22*80/22*110 SSD.
Plug and play, no driver required.
Wide compatibility, support all systems.

Specification:
Item name: NGFF(M.2) Key B Extension Card
Item weight: Approx.11.8g /0.42oz
Package weight: 28g /0.99oz

Package list:
1 * Set of PCB adapter
3 * FPC cable
1 * Bag of screws
1 * Screwdriver
1 * User manual