This is Sudio’s premium true wireless earbuds with a Swedish design language. The package comes included with a charging case, a charging cable and 3 pair of eartips. The earbuds are lightweight and feel comfortable to use.

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You can power on/off the earbud by taking out or putting back into the charging case, aside from that long 3 second press will also do the trick. The right side is the master unit, in media playback single press is your play/pause and double press is you next song selection. For phone call, single press is to accept or end the call. The volume is adjusted via your device and not on the earbuds. Again not a big issue as most true wireless earbud users do stay at one volume.

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Looks good on Calvin

Passive (hardware based) sound isolation is good thanks to the long sound tube length that goes deep into the ear canal. It’s powered by pair of 6.2 mm Neodymium Dynamic Drivers. Uses Bluetooth 4.2 for connectivity and the maximum stable line of sight is 11 meters.

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Wide diameter and long sound tube

The rated battery life is 3.5 hours for the buds when use together as a pair. Our battery is based on the iPhone 6 at the 5rd volume bar gave us a total of 13 hours 55 minutes.

1st (buds pair): 3 hours 30 minutes
2nd (1st box): 3 hours 20 minutes
3rd (2nd box): 3 hours 25 minutes
4th (3rd box): 3 hour 30 minutes
5th (4th box): 10 minutes
Total 13 hours 55 minutes



Technical Specification

  • Play time : 3.5 h (box provide extra 3 full charges)
  • Drivers: 6.2mm Neodymium Dynamic Driver
  • Frequency response: 18 Hz – 22,000 KHz
  • Sensitivity: 105 dB
  • Impedance     32 Ohm @ 1kHz
  • Sensitivity     105 dB SPL @ 1 kHz
  • Bluetooth: 4.2
  • Case battery: 500mAh
  • Earbud battery: 55mAh

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Audio quality

EDM/POP/SYN:

Tiaan – Be Ok (Low bass frequency)
Low bass frequency is superbly energetic and highly notable, you can feel the air pressure booming in your ears. It doesn’t eat into the vocals and has zero bass distortion. The subtle bass vibrations fade smoothly. Low bass frequency is well bodied. The low bass slightly overpower the vocals, just a tiny bit.

Pia Mia – Do It Again (standard bass)
Bass is highly energetic and super notable, you can feel the air pressure. The bass fade butter-smooth with a long drag especially at the 2:05 mark, the vibrations is just eargasm. Bass doesn’t overpower vocal much and feel balanced, clear separation between the two. Bass is well bodied. EDM tones sounds fun.

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Vocals/Instrumentals:

Violinder – Raindrops (high frequency instrumental)
Piano/Violin tone sounds right and natural, leans closer to the crystal-clear type not the warm-sound, I prefer crystal-clear type. It has good amount of shine at the highs, little more shine would be nice. Tone are well bodied doesn’t sound half-hearted. Bass/Drums slightly overpower with Piano/Violin in term of audible levels just a tiny bit, tho there is clear separation between the two.

Pentatonix – See Through (high pitch vocals/separation)
Mitch Grassi’s hi-pitched-male Tenor vocals perform very well at the highs with good amount of shine, little more would be nice. Each singer can be identified easily. Every diction and pronunciation is crystal clear. Vocal beatboxing, echoing and humming is eargasm but slightly overpower Mitch Grassi’s vocal in the song.

This true wireless IEM perform well from the ultra low frequency up to the highs. It has one of the cleaner and powerful bass in the market capable to almost rival the Treblab X5 or Sony’s WF-SP700N or WF-1000X. With bit more shine, Sony would be in trouble, beating the Bose and Jabra ones easily. It look good but also sounds great.

Purchase the Sudio Nivå Here

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