2.4GHZ Wireless Waterproof Flexible Roll Up Silicone Rubber Keyboard Tekit high quaity keyboard! Ultra Slim Design: provides "easy typing" avoiding stress on your wrists Technologically advanced: Silent Typing High quality keyboard runs off a wireless adapter and 2 x AAA batteries (not included); device is plug and play. Size: 16" x 5"; Color: Black and Gray; Package Contents: 1 x Flexible Mini Wireless Keyboard