Microsoft Wedge Bluetooth keyboard.
Probably National as it was with loads of other reduced stuff in the computer accessories section such as reduced HP Mini speakers (£5 from £15) and some Technika HD Webcams (£5 from £15)
Lovely high quality Tablet keyboard. Price tag shows reduced initially form £80, down to £51 and now £20 to clear
Keyboard has a folding case that also doubles as a tablet stand.