NEW
Brand New: Never used and come with their full Australian Manufacturer's Warranty. Some might have been opened for quality checks, but they have never been activated.
EXCEPTIONAL
Like New: 100% Fully Functional The device is in 'As New' condition with very faint to no marks on the device. Battery health above 90% and 15 Months Warranty
EX-DEMO
Like New: 100% Fully Functional The device is in 'As New' condition with very faint to no marks on the device. Battery health above 80% and 12 Months Warranty
EXCELLENT
Minimal Sign Of Wear A refurbished device that is 100% fully functional Screen in good condition, with very minor scratches/scuffs not visible at arm's length. Battery health above 80% and 12 Months Warranty
GOOD
A refurbished device that is 100% fully functional Scratches may be visible on the screen from arm's length, plus minor dents. Exceptional value. Battery health above 80% and 12 Months Warranty
We know that battery health is one of the biggest concerns for most people, and that's why we have the Mobile Monster Battery Health Guarantee.
Every device we sell is tested thoroughly though our Mobile Monster 80 Point Check process. As part of our 80-Point Check, we test the batteries of the device, to ensure that your device is still in its peak performance of at least 80% battery health.
Battery Health (min 80%)
Sensors
Microphone 
WiFi
Charger/Jack 
Carrier Signal
Speaker
Water Damage
Camera
Mobile Data
Screen
Bluetooth
📱Your Device
♾️ Compatible Cable
♻️100% Recyclable box
Sennheiser HD 350BT Over-Ear Wireless Headphones
These Sennheiser HD 350BT headphones are ideal for enjoying high-quality audio at home or on the move, thanks to their comfortable over-ear design, Bluetooth 5.0 connectivity, and impressive battery life. With support for advanced audio codecs and low-latency technology, they deliver reliable, lag-free audio for music, videos, podcasts, and more.
Enjoy up to 30 hours of wireless playback and USB-C fast charging, so you're always ready to listen. The HD 350BT also works seamlessly with the Sennheiser Smart Control app, giving you access to an adjustable equalizer to personalize your sound experience.
Note: This product is brand new, but the box may have been opened for functionality testing.
Key Features:
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These wireless headphones connect to your device using Bluetooth 5.0 for stable and efficient audio streaming.
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Designed for your favorite music, podcasts, audiobooks, and other media.
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Over-ear design ensures all-day comfort and passive noise isolation for an immersive audio experience.
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Touch and physical buttons on the earcups allow for convenient control of music and calls.
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Use the Sennheiser Smart Control app to customize your sound settings with a built-in equalizer.
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Features up to 30 hours of battery life, with fast USB-C charging for minimal downtime.
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Supports AAC, SBC, and aptX™ Low Latency codecs for high-resolution, lag-free audio.
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Passive noise isolation helps reduce ambient noise during commutes or travel.
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Comes with a 2-year manufacturer warranty for peace of mind.
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Finished in a sleek black design, offering both style and durability.
"Please note: This product may not include the original box."
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If you’re worried about warranty coverage, fret not! We cover manufacturing faults, both software and physical that may occur with your device, this includes battery performance issues. The length of the warranty period is minimum 12 months from the purchase of the device.
Please note, however, that this does not cover any damage that is caused by mishandled use or liquid damage - so be careful! If you also get your device repaired by any unauthorised third party, this will void your warranty.
All our devices come with 12 month Mobile Monster warranty for extra piece of mind.
If you’re worried about warranty coverage, fret not! We cover manufacturing faults, both software and physical that may occur with your device, this includes battery performance issues. The length of the warranty period is 12 months from the purchase of the device.
Please note, however, that this does not cover any damage that is caused by mishandled use or liquid damage - so be careful! If you also get your device repaired by any unauthorised third party, this will void your warranty.
As an added plus, for the extra careful you, we also offer the Mobile Monster Extra Care for iPhones which gives you an additional 12 months of warranty coverage for your newly purchased iPhone. It offers the same coverage as our standard warranty, but for an additional 12 months so you can have peace of mind knowing you are covered.
Simply add Mobile Monster Extra Care before purchasing your device, it's that easy!
Frequently Asked Questions
Are Refurbished Phones Unlocked?
All refurbished phones from Mobile Monster are sold unlocked, so you’ll be able to use them with any provider in any Country.
Do Refurbished Phones Have New Batteries?
Not every second-hand phone requires a new battery. Every Mobile Monster phone is tested to make sure it has at least 80% battery health. Any less and we’ll replace the battery before we sell the phone. 80% Means it will be sufficient for a full days usage without needing to recharge.
This will depend largely on what your doing on the device of course.
Are Refurbished Phones Worth It?
Refurbished phones are better for both your savings and the environment. They provide you with a product that’s almost identical in quality to what you buy in stores for a far more affordable price.
What Is The Best Mobile Phone To Buy?
That depends on your requirements, your personal tastes and your budget. Mobile Monster have phones from popular brands like Apple, Samsung, Google, Oppo and Huawei.
What Is The Best Cheap Mobile Phone?
By buying refurbished, you can save a lot of money even on phones that were cheap when they were new. We have such a large selection of budget-friendly mobile phones, the best thing you can do is take a look and make your own mind up.
