Must say this looks great.

Features:
– Integrated Kempston Joystick interface
– Reset switch
– NMI button for a quick file access
– Very fast: load games in seconds!
– Comes with the best software: ESXDOS
– Compatible with all ZX Spectrum models: 16K, 48K, 128K, +2, +2A, +2B and +3
– FAT and FAT32 compatible – easy file transfer!
– Support for various emulator formats: .TAP, .SNA, .TRD and more!
– New and easy BASIC commands and many fun and useful tools!
– Create snapshots to continue a game later!
– Write support to SD card with easy commands!
– Updates are still being developed; installing an update is easy!

Ready for use!
1. Check jumper configuration for your ZX Spectrum
2. Plug it in, power on and start playing!

Want more games?
1. Google for ‘ZX Spectrum games’
2. Copy .TAP (or other format) files to the included SD card
3. Power on, press NMI button and select game – and play!