Losei D7 Earbuds

Today’s review is for the Losei D7 Earbuds. Can’t believe it’s February and I’m only just dropping an audio review; I must be slacking! Anyway, today’s offering are these True Wireless Stereo (TWS) earbuds. An IPX7 waterproof outer battery case, with an advertised 40-hour playtime, and a v5.0 Bluetooth chipset.

The Losei D7 Earbuds feature a 500mAh battery case, which provides around 6/7 charges of your wireless earbuds, which in turn can last upto 6 hours before they need recharging in their case.

A USB-C charging port and wireless charging ensure you’ll always be able to recharge your battery case. A touch-sensitive area on each earbud provides you with handsfree audio and call functions.

But are these earbuds any good? Time to test them out!

Packaging and Contents.

The Losei D7 Earbuds comes packaged in a white sleeved box which shows product images and specifications printed on it. The box measures 9.5cm x 8.5cm x 3.5cm and weighs 98G.

Image shows the outer packaging.
Outer Packaging – Image Source – My Helpful Hints (Subject to Copyright)

Inside the box you’ll find the following: 1x Pair of Earbuds, 1x Battery Case, 1x USB-C Cable, 2x Additional Ear Tips, 1x English/German User Guide.

Image shows the included contents, in a laid out position.
Contents Image – Image Source – My Helpful Hints (Subject to Copyright)

Losei D7 Earbuds.

The Losei D7 Earbuds are black in colour, each earbud measures 24.8mm x 21.9mm and weighs 3.9G each. The battery case measures 62.5mm x 51.5mm and weighs 37.5G (when empty).

Image shows the D7 earbud case in my left hand.
Product Image – Image Source – My Helpful Hints (Subject to Copyright)

The battery case is pebbled shaped, looks the ideal shape to skim across water, after today’s review it’s pretty much the only use of them, but that’s all to come later, you got to keep reading first.

Before any sort of use you’ll need to give your battery box a charge, this can be done via two methods, wirelessly using a QI certified device, or with a USB-C cable. Losei supply a USB-A/USB-C cable, which measures 25.0cm in length, but you’re free to use any generic USB-C cable.

Remember to remove the plastic wrap on each earbud so contact can be made between earbud and the battery box. When you charge the battery box, it’ll also charge the earbud at the same time. Charging takes around 2 hours to fully charge both case and earbuds.

Image shows the battery level remaining of the case.
Product Image – Image Source – My Helpful Hints (Subject to Copyright)

A handy battery case indicator level is displayed on the battery case too, you can see the remaining battery level of your earbuds via your connected device.

Pairing and Use.

Once charged, you’ll be wanting to pair the Losei D7 Earbuds, this is simple. Remove the earbuds from the battery case, they’ll spring into life, both ‘should’ be paired with each other. If not, that’s easily solved, place both earbuds back in the battery case and close the lid, then try again. That’s what I had to do, then they both related to each other.

Anyway, remove the earbuds, then search on your device under Bluetooth for D7 and connect, you’ll hear an audio prompt to confirm pairing. You’ll only need to do this once, they automatically pair when removed from the battery case to the last connected device.

Image shows the earbuds in my left palm.
Product Image – Image Source – My Helpful Hints (Subject to Copyright)

Now you’re all read to listen to them club bangers. Place the earbuds in your ear and slightly twist upward to ensure they stay in place within your ear canal. I found the fitment tight, and too tight, literally getting sucked off, but not in the good way. Nobody wants their ears sucked out. No matter which tips I tried, the same effect occurred, bone conduction was high, every movement, every heartbeat, every sound of fucked off frustration echoed into my ears.

Guess it can only get better from here? Right? Well? Can it?

Touch Control.

The Losei D7 Earbuds feature touch-sensitive user controls. This is true, but not what it’s supposed to do, let me explain what was supposed to happen below.

  • Double Tap (either earbud): Pause/Play music.
  • Triple Tap (right earbud): Skip music track.
  • Triple Tap (left earbud): Go back a track.
  • Long Press (right earbud): Volume increase
  • Long Press (left earbud) Volume decrease

This is what happened. Double Tap sometimes paused and resumed audio, other times it increased volume, Triple Tap did fuck all, Long Press did some intermittent volume control, occasionally, but only when it wanted to. So, to summarise if you want to sometimes pause/play and occasionally increase the volume of your audio, then these are the perfect set of earbuds for you.

If you have lots of patience, then Losei have you covered with their D7 patience testers.

The sound was average at best (when I was getting my ears sucked out), bass tones are distorted upon exceeding volume past halfway. Noise cancellation is obviously exceedingly and uncomfortably high due to the nature of no air being allowed between earbud and ear canal. Noise isolation was average, sound leakage was noticeable to others in the room.

The right earbud was slightly ahead of audio to the left earbud, not by a lot, but noticeable.

Warranty.

But thankfully Losei have a lifetime warranty. Phew? That’s ideal then, right? But wait, there’s more! There’s a flash looking holographic sticker on the front of the user guide which reads:

“Support permanent replacement for damaged, defective, upgraded, or lost products. (You DON’T need to return the original item)

Scan QR code or visit the web below to activate within 14 days.”

That’s handy then innit? The web address is www.losei.store so I tried to access their site, especially given their very generous lifetime warranty offer for which they’re offering to people.

Image shows a screenshot of Losei website being down.
Screenshot Image – Image Source – My Helpful Hints (Subject to Copyright)

Oh crap! So, the website you need to take advantage of the lifetime warranty, the generous warranty that covers everything from defective goods to total loss doesn’t work.

The advertised Bluetooth range is 10M, but after 5M they crackle. The battery time is not far from the advertised playtime, so I guess every cloud and all that!

Technical Specifications.

  • Brand: Losei
  • Model: D7 Earbuds
  • Manufacturer Code: NA
  • Manufacturer Reference: UK-D7-NEW
  • EAN: N/A
  • ASIN: B0BLZ226T1
  • Resistance: 32Ω
  • Earbud Battery: 40Mah
  • Battery Case: 500mAh
  • Compliance: CE, FCC, RoHS

Conclusion.

What positive thing can I say about the Losei D7 Earbuds? The battery case nicely shaped I guess, like a shiny pebble. So, if it’s a pebble you’re after, then boom!

From poor fitment design, synchronising issues, touch-sensitivity defects, and a poopy warranty promise, there’s more negative things to say about the Losei D7 Earbuds. Don’t think Losei will be sending me a Christmas card any time soon.

Would I recommend the D7 Earbuds? Think we all know the answer to that. Hell to the no.

If you’d like to purchase this item, please check out the purchasing options below. The RRP for this product is £26.99.

Amazon

Prime Delivery

Returns Available

More Expensive

Best Option

eBay

More Expensive

Free Postage

Used Option

Product sample provided by Losei in exchange for a detailed, unbiased review.


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