SunvalleyTek via Amazon offers the HooToo Bluetooth Ultra-Slim Keyboard Case Cover for iPad Air, model no. HT-WK06, for $19.99. Coupon code "YXYX3TNU" cuts it to $9.99. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping adds $8.93.) That's a $90 savings and the lowest total price we could find. It snaps to a magnetic upright angle or lies flat over the keys for handheld use.