This is Edifier’s sport hybrid IEM (actually an earphone with long earbud as sound tube) in a flexible neckband form factor featuring IPX5 water resistance and magnetic ends. The package comes included with charging cable and 3 pair of eartips. I wished it came with a soft carrying pouch. The earfins are one piece with every eartips but does perform well for gym activities and slow pace walking. The neckband does dangle around during running so just walk.

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Earphones trying to be an IEM

The controller is located on the right side and houses the charging port, microphone and the typical 3 array buttons. The buttons does have a tactile bump and are easy to accurate. Sound isolation is decent can be better if they made the eartips long so it can go deep into the canal.

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Buttons

It’s powered by pair of 9mm Neodymium Dynamic Drivers. It uses Bluetooth 4.2 for connectivity and the maximum stable line of sight is 11 meters. The rated battery life is 8.5 hours. Our battery life test is based on the iPhone 6 at 4th volume bar lasted us 9 hours.

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Flex and twist test



Technical Specification

Sensitivity: 104dB
Resistance: 10Ω
Frequency Response Range: 20-20000Hz
Waterproof: Yes
Frequency Response Range: 20Hz – 20kHz
Driver Unit Diameter: 9mm
Bluetooth protocol: Bluetooth 4.2
Working time: 8.5 Hours
Weight: 31g

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Audio quality

EDM/POP/SYN:

Tiaan – Be Ok (Low bass frequency)
Low bass frequency has good energy and feels firm, 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 fades little quick. Low bass frequency is has good bodied. The low bass slightly overpower the vocals, just a tiny bit.

Pia Mia – Do It Again (standard bass)
Bass has decent energy and has presence, you can feel the air pressure. The bass fade smooth at the 2:05 mark but the vibrations is little soft for my taste. 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 right amount of shine at the highs. Tones are well bodied doesn’t sound half-hearted.
 Bass/Drums slightly overpowers the Piano/Violin in term of audible levels, 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 the right amount of shine, feels bright. Each singer can be identified easily. Every diction and pronunciation is crystal clear. Vocal beatboxing, echoing and humming is eargasm which doesn’t overpower Mitch Grassi’s vocal in the song.

The IEM performs well from mids to highs with clear vocals and instrumentals. Bass is fine but not booming enough for bass heads, this IEM more for the refine people. Essentially this is identical to the Edifier W285BT in term of audio quality just in a different form factor.

Purchase the Edifier W310BT Here

Amazon (USA Link) | Amazon (International Link)

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