Groupon has the MiiKey MiiBox Mini Portable Bluetooth Speaker with Microphone and Built-In Music Player on sale for $39.99 + FREE shipping!

Why this deal is hot:
Save 33% off -- that's $20 in savings!

What this does and why you need it:
If you have a NFC-enabled device, simply tap your device against the MiiBox and create a wireless connection. The speaker also has Bluetooth functionality. Play music for up to 9 hours and keep speaker calls for up to 12 hours on one charge! The speaker is made of aluminum-alloy, a NdFeb speaker, patent bass radiator, SmartTalk feature compatible with Apple's Siri, and can play MP3, WMA, and WAV files. Other features include a 3W loudspeaker output, a built-in lithium-ion battery and several controls. The speaker weighs 1 pound and measures 2.32" (L) x 2.32" (W) x 2.68" (H). Choose from red, silver, blue or gold.