Does this have the flashing blue light? I want one with no light for listening at night.

I hear you! I I've had the same problem. There is the usual pinpoint of red/blue light on the face of the device, which flashes only when pairing, & really is quite unobtrusive. I wear mine at night, & have never seen the light from this earbud, even in a very dark room. This really is the best earbud I've purchased, out of 6 different types: longest battery, quick charge, fits either ear, & generally, no fussiness. Peace, Friend

I just received this and it works fine but i don't see how to connect the usb charger cord. can someone help?

Hi, At the buttom of the earphone, there is a little gap between the cover of the usb port and the product, use your nail to open it, and then you can connect it with usb cord. Note: usb cord can be used with charger adapter under voltage 5V, charging time is about 2 hrs (light from red to blue/ off). If you are not clear about our words, could you give us your email, we could send you a video to show how to do it?

I am having trouble getting this to pair with my phone. I have tried several times and made sure that the unit was in pairing mode. Any ideas?

To whom it may concern: You have to make sure the device is discoverable then to pair both make sure on the ear piece itself hold down the on/off button for at least 5 seconds before letting go of your finger. Or until your cellphone Bluetooth displays J18 then connect to it.

Is the output in stereo or mono for mp3 music? no one really answered this, and it doesn't say stereo in the description.

Ear piece puts out sound for both left AND right in one ear so not stereo in the way it’s defined (different sounds in each ear) but you get all sounds. I tested it on a song that I knew had different sounds in each ear; I heard it all.

Single Bluetooth Earbud | Desertcart Portugal

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Sold byAmazon PortugalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Power through your day with clarity and style—one earbud, endless possibilities.

NOISE CANCELLING CLARITY - Advanced ENC tech filters background noise for HD calls and crisp audio—command every conversation with confidence.
ERGONOMIC DISCREET DESIGN - Lightweight 0.14 oz ‘L’ shaped earbud with customizable tips ensures all-day comfort and a low-profile look for the office or on-the-go.
FREEDOM TO MOVE STAY AWARE - Wireless range up to 33 ft lets you roam freely while staying alert to your surroundings—ideal for safe commuting, workouts, or work.
ALL DAY POWER ZERO DOWNTIME - Up to 10 hours of uninterrupted music & calls with a rapid 2-hour recharge—stay connected from dawn till dusk without missing a beat.
SEAMLESS DUAL DEVICE CONTROL - Effortlessly switch between phone and laptop with multipoint Bluetooth 5.4 connectivity—perfect for the multitasking professional.

The NVAHVA Single Earbud Bluetooth Earpiece delivers up to 10 hours of continuous use on a single 2-hour charge, featuring Bluetooth 5.4 with multipoint connectivity for seamless switching between two devices. Its advanced ENC noise cancellation ensures crystal-clear calls, while the ultra-light ergonomic design offers all-day comfort and discreet professional style. Compatible with iPhone, Android, tablets, and more, it supports a 33 ft wireless range and includes customizable ear tips for a perfect fit, making it the ultimate single-ear solution for multitasking millennials balancing work, travel, and lifestyle.

Specifications

ASIN	B07SK7KQ4M
Additional Features	Built-In Voice Assistant, Lightweight, Microphone Included, Multipoint Pairing, Sweatproof
Age Range Description	Adult
Antenna Location	Calling
Audio Driver Size	16 millimeters
Audio Driver Type	Balanced Armature Driver
Battery Average Life	10 hours
Battery Charge Time	2 hours
Best Sellers Rank	#8,225 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #48 in Single Ear Bluetooth Cell Phone Headsets
Bluetooth Range	10 meters
Bluetooth Version	5.4
Brand Name	NVAHVA
Built-In Media	1 piece micro usb cord, 1 piece user manual, 1piece bluetooth earbud, 2 pieces ear rubber tips
Cable Features	Detachable
Color	Black
Compatible Devices	Car Audio Systems, Cellphones, Laptops, Tablets, Television
Connectivity Technology	Wireless
Control Method	Push Button
Control Type	Button Control
Controller Type	Button
Customer Package Type	Retail Box
Customer Reviews	4.0 4.0 out of 5 stars (5,041)
Earpiece Shape	Bud
Enclosure Material	Acrylonitrile Butadiene Styrene (ABS)
Frequency Range	20Hz - 20,000Hz
Headphone Folding Features	In Ear
Headphone Jack	micro_usb
Headphones Ear Placement	In Ear
Impedance	16 ohm
Item Type Name	mono bluetooth earpice
Item Weight	4 g
Manufacturer	ZHONG YANG
Model Name	J18
Model Number	J18
Noise Control	Active Noise Cancellation
Number of Items	1
Number of Power Levels	3
Specific Uses For Product	Business, Entertainment, School
Style Name	Minimalist
Theme	Video Game, audio, car, commute
Total USB 2.0 Ports	1
Unit Count	1 Count
Warranty Description	No return, send a new one to replace defective merchandise during 1 year warranty.
Water Resistance Level	Water Resistant
Wireless Technology	Bluetooth

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