This keyboard has wireless 2.4G via a USB recevier. It is compatible with a projector, laptop, smart TV, and PC. Price drops from $15.99 to $14.99 down to $12.99. You just have to clip the $2 off coupon found on the product page to get the discount. Shipping is free for prime members or on orders over $25.

Clip the $2 off coupon.