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zerone k21 business bluetooth headset: sweatproof wireless earpiece with noise reduction mic - perfect for office, business, and workout logo

Zerone K21 Business Bluetooth Headset: Sweatproof Wireless Earpiece with Noise Reduction Mic - Perfect for Office, Business, and Workout Review

3

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Average

Revainrating 3.5 out of 5  
Rating 
3.7
🎧 Earbud Headphones, 🎧 Headphones

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img 1 attached to Zerone K21 Business Bluetooth Headset: Sweatproof Wireless Earpiece with Noise Reduction Mic - Perfect for Office, Business, and Workout
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img 3 attached to Zerone K21 Business Bluetooth Headset: Sweatproof Wireless Earpiece with Noise Reduction Mic - Perfect for Office, Business, and Workout
img 4 attached to Zerone K21 Business Bluetooth Headset: Sweatproof Wireless Earpiece with Noise Reduction Mic - Perfect for Office, Business, and Workout

Details

BrandZerone
ColorDefault
Connectivity TechnologyWireless
Form FactorIn Ear
Noise ControlActive Noise Cancellation

Description of Zerone K21 Business Bluetooth Headset: Sweatproof Wireless Earpiece with Noise Reduction Mic - Perfect for Office, Business, and Workout

[Multifunctional key]:It is easy for you to operation with one multifunction key. [Adjustable and comfortable]:The 180° rotating earphone head allows you to adjust the angle and fit this headset in right or left ear to give you a comfortable wearing experience. [Bluetooth version 4.1]:This business earpiece with bluetooth 4.1 technology provides a stable signal transmission and long working range of up to 10 meters in open area. [Super sound quality]:The bluetooth earphone with noise reduction mic will bring you crystal clear sound and guarantee a clear phone call even in noisy environment. [Multi-pairing]:Support pairing with 2 devices at the same time.

Reviews

Global ratings 3
  • 5
    1
  • 4
    0
  • 3
    2
  • 2
    0
  • 1
    0

Type of review

Revainrating 3 out of 5

One was great and the other was horrible

I bought {2} of these and one works great but the second after a few days whether on my husbands phone or mine, you can hardly hear a person when making a call, even at maximum volume. That is the main reason for 3 stars

Pros
  • In Ear Headphones
Cons
  • No Instructions

Revainrating 3 out of 5

Works well but too big and heavy.

You can tell right away that it's kind of big and heavy. For you nerds, it weighs 14 grams, which is roughly the weight of a AAA battery. Thick and bulky behind the ear. The tube from the tip of the ear to the ear hole is too long for me. Length, weight and volume are the reason I am returning it. The sound and voice are fine, which is why I gave it three stars instead of one. My height is 5 feet 9 inches; Maybe if you are 6ft 5 inches tall or just have an unusually large head this would be…

Pros
  • Headphones
Cons
  • ---

Revainrating 5 out of 5

Wow, so much quality and comfort for a small price!

I tested a new headphone, the quality is excellent. I can listen to Spotify music and when a call comes in I just press the earcup once and the call quality is great for both the caller and the caller. If you need stereo, you can buy one for each ear, but one alone is good. Just one thing, it lets you hear any other nearby sounds that the headset blocks. Only one thing is good too, you want to listen to music before bed without disturbing your partner next to you. Spotify now lets you set a…

Pros
  • Electronics
Cons
  • Some cons