Head over to Amazon and score the Omaker Wireless Bluetooth Speaker for just $18.99 (Reg $90) when you use promo code OMAKERM4 at checkout. This offer is available for both Army Green and Orange styles. With this Speaker, you can connect your devices wirelessly and enjoy up to 12 hours of music on a single charge! Note that shipping is Free with Amazon Prime or on $49+ orders. Check it out here.
Was the promotion code only valid for when it was posted, which was yesterday? When entered it says the code has expired
Possibly.
Amazon Promo Codes are limited to a certain number of units sometimes. So if they sold their cap the promo code will expire.