Omaker M4 Rugged/Waterproof Bluetooth Speaker + 15,600mAh battery: $45 shipped

Update (1/28 11:00am): The promo code for the speaker alone has expired, but you can still get the speaker with power bank for $45 shipped (details below).

Amazon offers the Omaker M4 portable Bluetooth rugged/waterproof speaker for $29.99 Prime Shipped. Coupon code OMAKER88 drops it $10 to $19.99 Prime shipped. That’s the lowest price we’ve seen for this popular speaker that impressed me a 9to5mac review a few months ago. Features:

  • Latest Bluetooth 4.0 Technology – Connect your device in 3 seconds;Outstanding connection range of up to 33 feet.
  • Full, High-Def Sound – Enjoy an impressively crystal clear sound quality and robust bass realized through a 3W audio driver and passive subwoofer.
  • Daylong Playtime, Fast Recharge – Enjoy 12 hours of music at 80% volume, up to three times longer than similar-sized portable speakers. Recharge in just 3 hours using the included Micro USB cable.
  • Designed as a Outdoor Speaker and Shower Speaker – Unique Rugged Square Design with Splashproof&Shockproof&Dustproof& functions make it suitable for outdoors and shower.
  • NFC technology – Tap-to-pair with NFC technology for easy and instant connection (If your bluetooth audio device has NFC function).

If you are in the market for a great battery, add the Omaker 15600mAh Dual 2.1A USB Portable Charger External Battery Pack + Code OMAKER66 takes $15 off both items, making the combo $44.99 shipped.

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