iPhone 7 Plus Wireless Waterproof Battery Extender Case w/ 3.5mm Headp
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iPhone 7 Plus Wireless Waterproof Battery Extender Case w/ 3.5mm Headphone Jack (4000mAH)

Power Plus Cases

  • AWARD WINNING CASE

  • WIRELESS RECHARGING

  • FEATURING A HEADPHONE JACK

  • BUILT-IN 3.5MM PORT

  • USES LIGHTNING CABLE

  • CHARGE PHONE UNDERWATER

  • IP68 CERTIFIED CASE

  • WATERPROOF PROTECTION

  • DROP PROTECTION OVER 6 FT. 

Now featuring wireless recharging! Recharge both the case and your iPhone 7 Plus using a Qi wireless charging pad! 

Power Plus Cases is excited to be the first manufacturer to bring back the audio jack to a waterproof battery case designed exclusively for the iPhone 7 Plus! Our brand-new iPhone 7 Plus 4000mAH battery extender case features a built-in 3.5mm headphone jack that allows you to plug-in your headphones without any dongles or adapters needed. Use your favorite pair of headphones the same way you did with all previous iPhones and get rid of the unnecessary adapters. You can even charge your phone, charge the battery case, and listen to music all at the same time! Charge your phone underwater with our award-winning waterproof battery case designed exclusively for the iPhone 7 Plus. Receive waterproof, dirtproof, shockproof, and snowproof protection along with an additional 150% of extra battery life!

No Extra Cables Needed! When not recharging wirelessly, this battery case charges and syncs using your Apple Lightning Cable. We offer the only iPhone 7 Plus battery extender cases that do not require any extra cables for charging!

Never run out of that much needed power on your iPhone 7 Plus! Surf the internet, watch movies, play games, send emails, and talk for hours longer on your iPhone 7 Plus using this lightweight, powerful, and sleek 4000mAH waterproof battery case designed uniquely for the iPhone 7 Plus! This is our most powerful waterproof battery case available to guarantee you hours of extra use! Our battery cases feature high quality, lithium polymer batteries, that are guaranteed to last!

The iPhone 7 Plus contains an internal 2900mAH battery. This iPhone 7 Plus battery extender case offers an additional 4000mAH battery; over one times (1X) the capacity! Get a total of 6900mAH of battery power and up to an additional 138% of extra battery life!

Our battery cases feature high quality, lithium polymer, batteries that are guaranteed to offer you maximum power and durability! Don't settle for battery cases with cheap, low quality, batteries that will only last you weeks and may cause damage to your phone.

 Product Features:

  • IP68 Certified Waterproof Battery Case
  • The world's first wireless waterproof battery case with a headphone port
  • Waterproof, dirtproof, snowproof, and shockproof
  • Plug headphones directly into the built-in jack to use
  • No adapters or additional cables are needed
  • Synch your phone while inside the case
  • Ultra lightweight and thin case offering maximum power
  • Receive up to 150% of additional battery life
  • Built-in PET crystal clear front cover protector
  • Dual AR coating optical glass prevent loss of photo details
  • No need to ever remove your phone from the case
  • On and off button on the back of the battery case
  • LED lights on case to display status of back-up battery
  • High quality lithium polymer battery designed for 500+ cycles
  • Full Manufacturer's Warranty & Free Shipping
  • Available in Black

    About Power Plus Cases:

    Power Plus takes pride in offering the largest selection of the most powerful battery cases available online. You can rest assured you are purchasing a long-lasting, superior quality, battery case designed exclusively for your mobile phone. All of our cases only feature the highest quality lithium polymer batteries designed for a minimum of 500 complete recharges. We also construct our cases using only premium quality materials to ensure durability and maximum protection for your phone. Every case we sell is backed by our 30-day satisfaction guarantee and includes a complete manufacturer's warranty protecting you against any defects. We challenge you to compare the battery capacity and price of our cases to any of our competitors. Power Plus guarantees to offer you more power for less money!



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