











Designed in
Japan
1 Year of
Warranty
Bluetooth with
AAC
Headphone Zone Certified Unboxed Units
Unboxed units are as good as new products with the product's packaging being unavailable. These products give you the same satisfaction of new products - but at down-to-earth prices. Usually, the product's packaging may have gotten damaged in transit. Customers use a product once or twice and then return it with opened up packaging.
Customer Returns
Returned headphones are fully functional products that have left the warehouse and therefore can no longer be sold as new as their packaging has been opened. The product may have been used once or twice by the customer who returned it.
Transit Damages
Sometimes we receive headphones in damaged packaging due to shipping accidents. These are brand new headphones with cosmetic flaws on the packaging.
Save Upto 15%
Since you won't get the original packaging, we give you a good discount compared to a new headphone.Professionally Inspected
A thorough inspection means you receive a 100% working headphone with no sound output issues.Original Warranty
All unboxed headphones carry the same warranty period as a brand new headphone would.Unbiased Customer Service
We have the same Headphone Zone customer support experience for Unboxed Products or new products.Unchanged Replacement Policy
Received a defective Unboxed unit? Return it under our Replacement Policy.ALL Original Accessories
The unboxed headphones itself comes with all original accessories.SONY'S SIGNATURE EXTRA BASS™ SOUND
Not just bass, EXTRA BASS™ that Sony has come to be known for. WIth the XB400, you will experience an extraordinary bass that boosts all your low-end frequencies by maintaining exceptional vocal clarity. Now enjoy your music with amazing audio quality.

15 HOURS OF PLAYBACK WITH QUICK CHARGE FEATURE
Enjoy your favorite music using these wireless earphones for 15 hours continuously when fully charged throughout the entire day. Do not worry if you’re in a rush and your battery runs low, by charging these earphones just for 10 minutes you will get 60 minutes of playback time with the Type-C™ cable.


SEAMLESS WIRELESS MUSIC
Play your favorite tracks and tunes by pairing your smart phones using the Bluetooth wireless technology. Using this technology you can now enjoy your music without any interruption.

FLEXIBLE NECKBAND FOR COMFORTABILITY
These wireless earphones feature a lightweight neckband that lets you wear these earphones with comfort throughout the day. You can also store them easily anywhere in your pocket or bag.

HANDS-FREE COMMUNICATION, NOW WITH SEAMLESS VOICE ASSISTANT ACCESS
The in-line remote helps you to manage your music. Play, stop, adjust the volume and skip through tracks whenever you want. Just by pressing a button you can connect your smartphone’s voice assistant to get directions. Manage your calls by using the built-in microphone. You don’t even have to remove your phone from the pocket. Now enjoy hands free calling using your wireless earphones.

DRIVER UNIT | 12mm |
FREQUENCY RESPONSE | 20 Hz–20,000 Hz |
MAGNET | Neodymium |
WIRELESS CONNECTIVITY | Bluetooth v5.0 |
MICROPHONE | Yes |
VOLUME CONTROL | Yes |
BATTERY CHARGE TIME | Approx. 3.0 hrs |
BATTERY LIFE (CONTINUOUS MUSIC PLAYBACK TIME) | Max. 15 hrs |
BATTERY LIFE(CONTINUOUS COMMUNICATION TIME) | Max. 15 hrs |
BATTERY LIFE (WAITING TIME) | Max. 200 hrs |
BATTERY CHARGE METHOD | USB type-C |
WEARING STYLE | In-Ear |
NECKBAND | Yes |
WEIGHT | 21 g |
WHAT YOU WILL GET | 1. Sony WI-XB400 Wireless Earphones |
2. USB cable: USB Type-C TM (Approx. 20 cm) | |
3. 3x Pairs Silicone Ear Tips | |
WHAT YOU WILL NOT GET | 1. Original packaging of Sony WI-XB400 Wireless Earphones |


About Sony
Sony is on the mission to establish itself as a company that encourages and helps its customers to satisfy their curiosity. Sony's unwavering passion for technology, content and services helps it to offer innovative products and entertainment which only Sony can offer. Sony is determined to provide the world with emotion, creativity and technology.
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The History Of Sony
Sony has a rich history of innovation like no other consumer electronic company in the world. Sony made its humble beginning in the year 1946 in Japan with two brilliant and ambitious young men Masaru Ibuka and Akio Morita. These bright minds achieved their dream of establishing a successful global company through their perseverance and hard work.

Sony's presence in India
Sony India is one of the most popular and trusted consumer electronic brands in India, known for its modern age innovative technology, digital concepts and best-in-class after-sales service. In India, Sony has a distribution channel of more than 20,000 dealers and distributors, more than 300 exclusive Sony outlets and 25 branch locations. Additionally, Sony India has around 365 service outlets throughout the country.
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Sony's Corporate Social Responsibility
Sony realises and acts actively makes a direct and indirect influence on the communities for positive change. It recognizes and plays an important role in being a positive global citizen. For Sony, Corporate Social Responsibility is a fundamental part of its philosophy which goes beyond a one-time donation.

1 Year Warranty
Don't sweat it, this Sony - WI-XB400 (Unboxed) comes with a warranty
from Sony that covers manufacturing defects.
All products featured on Headphone Zone are backed by an original manufacturer's warranty.
Read more about Sony's warranty in India.
Thank you Headphone Zone team for timely delivery especially in this situation and bringing this product to India I recommend everyone to check this one before considering other alternatives in the market.
Good Purchase with Good Delivery Experience!!! Delivery Experience - Extremely satisfied. The packaging was sufficient and delivered 2 days before the committed delivery experience. Delivered in almost 48 hrs.
Good and quick delivery from Headphone Zone and would recommend others to buy from them too. No issues from their end whatsoever.
Amazing support from the Headphone Zone team, this is my second product purchase. Delivery at critical times (COVID19), is just awesome, received my headphones one day before the committed time. Kudos to the team.
It’s one of the best sites to get premium quality headphones. Their service is unparalleled!! Would recommend 10/10. A Grade service!!
Experience was smooth. The Headphone Guru was kind and answered all my queries. The delivery was super fast. The product is genuine This is my go-to destination for everything audio from now on.