Samsung SM-R400NZWAEUA headphones/headset True Wireless Stereo (TWS) In-ear Calls/Music/Sport/Everyday Bluetooth Graphite, White
Product Technical Specification
Performance | |
Product type | Headphones |
Wearing style | In-ear |
Recommended usage | Calls/Music/Sport/Everyday |
Headset type | Binaural |
Product colour | Graphite,White |
Operating keys | Bluetooth pairing,Play/pause |
Colour name | White |
Control type | Touch |
International Protection (IP) code | IPX2 |
Country of origin | Vietnam |
Ports & interfaces | |
Connectivity technology | True Wireless Stereo (TWS) |
Bluetooth | Yes |
Bluetooth version | 5.2 |
Microphone in | Yes |
Headphones | |
Intraaural headphones type | Earbuds |
Noise canceling | Yes |
Noise canceling type | Active |
Microphone | |
Microphone type | Built-in microphone |
Noise-canceling switch | Yes |
Battery | |
Battery operated | Yes |
Battery type | Built-in battery |
Battery technology | Lithium-Ion (Li-Ion) |
Battery capacity | 562 |
Input voltage (earpieces) | 5 |
Input current (earpieces) | 0.2 |
Input voltage (charging case) | 5 |
Right earpiece battery capacity | 60 |
Left earpiece battery capacity | 60 |
Continuous audio playback time | 6 |
Continuous audio playback time (with charging case) | 21 |
Battery recharge time (charging case) | 1 |
Battery technology (charging case) | Lithium-Ion (Li-Ion) |
Battery capacity (charging case) | 592 |
Battery charge indicator | Yes |
Battery recharge time | 1 |
Fast charging | Yes |
Fast charging time | 60 |
Charging source | USB |
Talk time (ANC on) | 3.5 |
Talk time (ANC off) | 4 |
Number of batteries supported | 3 |
Wireless charging | Yes |
System requirements | |
Mobile operating systems supported | Android |
Weight & dimensions | |
Width | 17.1 |
Depth | 22.2 |
Height | 19.2 |
Weight | 5.4 |
Charging case dimensions (W x D x H) | 50 x 50 x 27.7 |
Charging case weight | 44.9 |
Packaging data | |
Package width | 86.3 |
Package depth | 42 |
Package height | 95.4 |
Package weight | 148.1 |
Package type | Box |
Packaging content | |
Power bank included | No |
Charging case | Yes |
Charging case capacity | 592 |
Charging case type | Wired & Wireless |
Charging case connector type | USB Type-C |
Built-in display (charging case) | No |
AC adapter included | No |
Quick start guide | Yes |
Warranty card | Yes |
Safety sheet | Yes |
Wireless charging pad | No |
Accessories included in set | 3 sizes silicone eartips |
Cleaning tool | No |
Windscreen included | No |
Extra earbuds | Yes |
Logistics data | |
Harmonized System (HS) code | 8517620000 |
Master (outer) cases per pallet | 126 |
Master (outer) cases per pallet layer | 14 |
Master (outer) case packaging type | Box |
Layers per pallet | 9 |
Master (outer) case width | 132 |
Master (outer) case length | 221 |
Master (outer) case height | 112 |
Master (outer) case gross weight | 1619 |
Products per master (outer) case | 10 |
Shipping (inner) case width | 86.3 |
Shipping (inner) case length | 42 |
Shipping (inner) case height | 95.4 |
Shipping (inner) case gross weight | 148.1 |
Products per shipping (inner) case | 1 |
Technical details | |
Pallet net weight | 233000 |
Pallet weight (EU) | 233000 |
Master (outer) cases per pallet layer (EU) | 14 |
Products per pallet (EU) | 1260 |
Warranty period | 2 |
Supplier features | |
Assembly required | No |
Charging time | 60 |
Delivery Options

Economy Delivery (UK)

Fast & Tracked by Courier (UK)
clear. They feel super comfy in ears of all sizes and the new wing-tip design keeps them in place during everything from bopping to burpees. And with quick and easy connection to your other Galaxy devices, switching between calls, music or TV1 is always seamless.
1Available on Samsung TVs released from June 2022 onwards.
Performance | |
Product type | Headphones |
Wearing style | In-ear |
Recommended usage | Calls/Music/Sport/Everyday |
Headset type | Binaural |
Product colour | Graphite,White |
Operating keys | Bluetooth pairing,Play/pause |
Colour name | White |
Control type | Touch |
International Protection (IP) code | IPX2 |
Country of origin | Vietnam |
Ports & interfaces | |
Connectivity technology | True Wireless Stereo (TWS) |
Bluetooth | Yes |
Bluetooth version | 5.2 |
Microphone in | Yes |
Headphones | |
Intraaural headphones type | Earbuds |
Noise canceling | Yes |
Noise canceling type | Active |
Microphone | |
Microphone type | Built-in microphone |
Noise-canceling switch | Yes |
Battery | |
Battery operated | Yes |
Battery type | Built-in battery |
Battery technology | Lithium-Ion (Li-Ion) |
Battery capacity | 562 |
Input voltage (earpieces) | 5 |
Input current (earpieces) | 0.2 |
Input voltage (charging case) | 5 |
Right earpiece battery capacity | 60 |
Left earpiece battery capacity | 60 |
Continuous audio playback time | 6 |
Continuous audio playback time (with charging case) | 21 |
Battery recharge time (charging case) | 1 |
Battery technology (charging case) | Lithium-Ion (Li-Ion) |
Battery capacity (charging case) | 592 |
Battery charge indicator | Yes |
Battery recharge time | 1 |
Fast charging | Yes |
Fast charging time | 60 |
Charging source | USB |
Talk time (ANC on) | 3.5 |
Talk time (ANC off) | 4 |
Number of batteries supported | 3 |
Wireless charging | Yes |
System requirements | |
Mobile operating systems supported | Android |
Weight & dimensions | |
Width | 17.1 |
Depth | 22.2 |
Height | 19.2 |
Weight | 5.4 |
Charging case dimensions (W x D x H) | 50 x 50 x 27.7 |
Charging case weight | 44.9 |
Packaging data | |
Package width | 86.3 |
Package depth | 42 |
Package height | 95.4 |
Package weight | 148.1 |
Package type | Box |
Packaging content | |
Power bank included | No |
Charging case | Yes |
Charging case capacity | 592 |
Charging case type | Wired & Wireless |
Charging case connector type | USB Type-C |
Built-in display (charging case) | No |
AC adapter included | No |
Quick start guide | Yes |
Warranty card | Yes |
Safety sheet | Yes |
Wireless charging pad | No |
Accessories included in set | 3 sizes silicone eartips |
Cleaning tool | No |
Windscreen included | No |
Extra earbuds | Yes |
Logistics data | |
Harmonized System (HS) code | 8517620000 |
Master (outer) cases per pallet | 126 |
Master (outer) cases per pallet layer | 14 |
Master (outer) case packaging type | Box |
Layers per pallet | 9 |
Master (outer) case width | 132 |
Master (outer) case length | 221 |
Master (outer) case height | 112 |
Master (outer) case gross weight | 1619 |
Products per master (outer) case | 10 |
Shipping (inner) case width | 86.3 |
Shipping (inner) case length | 42 |
Shipping (inner) case height | 95.4 |
Shipping (inner) case gross weight | 148.1 |
Products per shipping (inner) case | 1 |
Technical details | |
Pallet net weight | 233000 |
Pallet weight (EU) | 233000 |
Master (outer) cases per pallet layer (EU) | 14 |
Products per pallet (EU) | 1260 |
Warranty period | 2 |
Supplier features | |
Assembly required | No |
Charging time | 60 |
Buykingston order despatch times:
We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.
These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).
We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.
Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.
Despatch times do not apply to UK public holidays.
Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.
Our warehouse reserves the right to upgrade the delivery method you select on your order.
Our available delivery options*
Contact us for a shipping quote.
*All delivery times are estimated unless stated.
Product Returns Note
Buykingston offers a very flexible and hassle free returns policy. If
for whatever reason you are not happy with the item purchased you can return
it to us within 12months for a refund (for unused and unopened
items) or within 30 days on opened and used items for a refund. This
applies to items purchased direct through Buykingston only.
Our 30 Day Returns Money Back Guarantee Satisfaction
Guarantee:
For items opened and used and that are returned in a resellable
condition.
Our 365 Day Returns Money Back Guarantee Satisfaction
Guarantee:
For items that remain sealed and unused.
Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;
- Headphones
- Earphones
- Custom made and designed products such as flash memory products with
custom logo’s on them. E,g USB flash drives and memory cards with your own
logo
Returns FAQs
What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on
non tracked items.
On unopened items 365 days.
How do i go about returning my order?
Please contact us via our contact page with
your order number where we will present you with an RMA number and returns
label.
Do i need to contact you before returning my order?
Yes, to obtain an RMA number.
Does my item have to include its original packaging?
Yes for items that fall within our 30 day money back guarantee and our 365
day returns. Of course for faulty items we realise you may no longer have
the packaging.
Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer
direct for assistance.
Please ensure you have read and comply in full with Section 11 & 13 of our terms and conditions which you can read here in full.