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Black open-ear earbuds with slim silicone earhooks and charging case

GTbeans E20 Open-Ear Earbuds Black 56H Bluetooth 6.0 16mm Driver A3876

SKU CH-2WGS-YS7PG

Open-ear true wireless earbuds with 16 mm drivers, Bluetooth 6.0 and 56 hours total playtime

  • TypeTrue Wireless
  • ColorBlack
  • Driver Unit16 millimeters
  • Frequency Response5Hz-20KHz
  • THDTrue Wireless
  • Input Impedance16 ohms
  • Secure fit during movement with ergonomic arc and 2.8mm earhooks
  • 56 hours total playtime with 16 hours per charge and 10-minute fast charge
  • Deep bass and spatial sound from 16mm driver and Bluetooth 6.0
  • Clear calls in noise via 4-mic beamforming and AI filtering
  • All-day comfort at 8.58g with open-ear airflow and flexible silicone

GTbeans E20 Open-Ear Earbuds

The GTbeans E20 open-ear earbuds use a lightweight ergonomic arc with titanium memory wire to stay secure during daily movement and tough workouts. Weighing 8.58 grams each, they leave the ear canal open for airflow and all-day comfort. This design suits runners, cyclists and commuters who need situational awareness. Buyers who want sealed isolation or deep sub-bass extension should look elsewhere.

56-Hour Battery and Bluetooth 6.0

A single charge provides 16 hours of playtime and the charging case extends total listening to 56 hours. A 10-minute top-up adds two hours of use. The case weighs 44 grams and slips into a pocket. Bluetooth 6.0 maintains a stable link during exercise. No active noise cancellation is fitted, so wind and traffic noise remain audible in loud environments.

OpenPulse Acoustic and AI Call Tech

OpenPulse Acoustic Technology tunes the 16mm driver in real time for enhanced low-end response and spatial sound. Directional audio reduces leakage for a more private experience. Four beam-forming microphones with AI-enhanced environmental noise cancellation filter background sound so callers hear you clearly on busy streets. IP55 rating and nano-coating protect against sweat and light rain.

Highlights

  • Secure fit during movement with ergonomic arc and 2.8mm earhooks
  • 56 hours total playtime with 16 hours per charge and 10-minute fast charge
  • Deep bass and spatial sound from 16mm driver and Bluetooth 6.0
  • Clear calls in noise via 4-mic beamforming and AI filtering
  • All-day comfort at 8.58g with open-ear airflow and flexible silicone

Specifications

BrandGTbeans
ModelGTbeans E20 Open-Ear Headphones, E20, A3876
Part NumberA3876
TypeTrue Wireless
ColorBlack
Driver Unit16 millimeters
Frequency Response5Hz-20KHz
THDTrue Wireless
Input Impedance16 ohms
Signal to Noise Ratio(SNR)118 decibels
Power Supplylithium_ion, nonstandard_battery
Sensitivity118 decibels
ConnectorNo Jack
Ear Couplingopen_ear
Cord LengthType-C Cable
Weight8.58 grams
Noise Cancellingenvironmental_noise_cancellation
Wireless TypeBluetooth
Battery56 hours
Operating Time56 hours
Charge Time2 hours, 10 minutes
Distance10 meters
Microphone Impedance16 ohm
Microphone Frequency Response20Hz-20KHz
Microphone Signal to Noise Ratio(SNR)118 decibels
Microphone Sensitivity118 decibels
Compatibilitypc_usb
Featuresenvironmental_noise_cancellation, 6, 56 hours, Retractable, Touch Control, touch, Wireless, True Wireless, dynamic_driver, 16 ohm, 10 meters, GTbeans E20
Windows Vistapc_usb
Package ContentsGTbeans E20, Charging Case, Type-C Cable, User Manual

Questions about this item

How do I attach the 2.8mm earhooks so the 0.7mm titanium wire keeps the buds stable?

Slip each hook over the ear, then gently bend the titanium wire until it follows the cartilage ridge; the arc locks the 8.58g bud in place without pressing on the ear canal.

What part will wear out first and need replacing?

The lithium-ion cells inside the 44g case and buds will lose capacity after several hundred cycles; the silicone hooks and titanium wire are durable but can be swapped if they tear.

At what point does the 56-hour playtime claim stop being realistic?

Continuous streaming at high volume with AI noise cancellation active drains the 16-hour single-charge reserve faster, so the 56-hour total assumes mixed use and regular case top-ups.

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