As one of its daily deals, Pennywise offers the Ycross Mini Keychain Rhinestone Speaker in Red, Black, Pink, or Blue, model no. 1670-05, for $5.99. Coupon code "dealnews1" cuts it to $4.99. With one cent for shipping, that's the lowest total price we could find for any mini speaker keychain by $2. These 2-watt speakers are studded with rhinestones and feature a mini USB charging port. Deal ends today at 9 pm ET.