If you have the desire to have a very small portable Bluetooth speaker with a special hidden feature, then this is the one for you. The Mengo Ultra Portable Bluetooth Speaker Mini Drum is for sale on Amazon for $14.95 with free shipping on orders more than $35, or free Prime shipping. That’s 50% off list price.

This is a tiny and ultra-light Bluetooth speaker that weighs only 1.3 ounces — and it still packs a powerful sound system. You can pair this speaker with Bluetooth enabled devices in seconds with easy-to-use PINless pairing and you’ll be listening to music right away.

The device also has the ability for you to answer, hang-up, redial or reject calls with the push of a button. And the new selfie feature allows for the speaker to be used as a remote camera button. It has a key chain ring so you can attach it to your house keys, car keys or whatever else because you won’t want to lose this little speaker.

Mengo’s speaker has a one-year hassle free warranty without any questions asked.

Mengo Ultra Portable Bluetooth Speaker Mini Drum, $14.95 with free Prime shipping

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