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1More E1026BT Stylish True Wireless Earbuds Teardown | Hifigo

1More E1026BT Stylish True Wireless Earbuds Teardown | Hifigo

A deep dive teardown using proprietary methods with detailed product disassembly analysis that examines the latest audio electronics and provides unique construction for you.
With its unique stylish design and excellent sound performance, 1MORE is more and more popular in the world. In 2019, 1MORE  launched new truly wireless Bluetooth earbuds, which won the famous German IF design award. It is 1MORE Stylish wireless earbuds E1026BT

1more E1026BT specification

Active Noise-Cancellation and Fast charging earbuds
Brand: 1more |  Weight: 6.2g per bud  | Bluetooth: V5.0  | Driver type: Dynamic | Dual microphone: Yes| Wireless range: 10m | AI assistant: Yes 
Earbud Battery Capacity (Single):55mAh |  Battery life (on-board): 6.5 hours | Case Battery Capacity: 410mAh |Charging case Battery life : 24 hours  | NFC: No| Fast Charge:  15 min charging = 3 hour playtime
Noise-Cancellation: Active  | Frequency Response Range: 20-20000Hz |  Sensitivity:100±5dB : Resistance: 16Ω |   Waterproof: N/A

Unpacking of 1More  E1026BT package 

1More's LOGO is very simple and so is its box. It is the traditional packaging style of 1More earphones. But the logo of the IF award printed in red which is very obvious in the lower left corner.

Inside the box , there are the earbuds,  charging box, data cable, silicone eartips, and instructions.

Micro USB charging cable.

The earphones charging box looks like a rounded cobblestone with  1MORE logo.

1MORE LOGO on the underside of the earbuds charging box. 

The button of the charging box, the small dot above the button is the work indicator.

The micro USB charging port on the back.

There is a 1MORE logo on the earphones cover.

 Two charging contacts on each side.

ChargerLAB POWER-Z KT001 for charging test.

1MORE earbuds teardown 

Unpack the earbuds charging box.

A small circuit board is fixed on the back with a screw and a magnet for assisting in fixing the charging of the earphone.

Physical switch.

The charging contacts of the earphones, two thimbles on each side.

LED indicator, shaded with a silicone case.

On the motherboard, wires are used to connect the motherboard to the battery.

On the back of the motherboard of the earbuds charging case,  there was double-sided adhesive to fix the battery on the back of the motherboard.

Built-in rechargeable lithium-ion battery, model: 682723, rated capacity: 410mAh 1.558Wh, manufacturer: Chongqing Zijian Electronics Co., Ltd.

Tear off the label paper of the battery, VDL 682723.

The protection circuit board on the battery and NTC overcurrent protection.

Screen printing PL8M IC.

SS809 chip is an AD type MCU with integrated power management function.

The earphones are designed in an in-ear style, the earphone tube and the back cover are at an angle, and the earphones are with ear hooks.

Two charging contacts of each earbud.

Microphone hole on the back of the earphones with an LED status indicator inside.

The physical buttons on the side of the earphones. It is for power on/off, pairing, etc.

Remove the silicone sleeve and eartips, we can see a tuning hole.

There is a metal strainer inside the earphone tube.

The tuning hole on the side of the earphone.

Inside the back cover of the earphones, the Bluetooth antenna is printed differently for left and right.

The earphones on both sides are similar in terms of materials, but the layout is slightly different.

In the earphone cover, the small charging pad of the earphone is fixed with glue, the wire is connected to the mainboard, and the moving coil driver is closed with insulating adhesive paper.

There are some shock absorbing materials around the driver. 

The mainboard and the battery are separated by a  frame.

Comparing the motherboard and battery size with 1yuan coin. 

This is a button-type lithium battery, wrapped in insulating paper on the side, fixed on the battery and soldered to the motherboard. The battery is manufactured by Chongqing Zijian Electronics Co., Ltd.

Earbuds built-in battery model LIR ZJ1254C 18D, 55mAh.

On the front of the motherboard, the microphone is protected by a silicone sleeve, next to the Bluetooth antenna contacts.

On the other side of the motherboard, there are multiple chips and jog buttons.

Bluetooth antenna thimble.


Remove the silicone sleeve and there is an LED light next to the microphone. 

It is a MEMS microphone with a laser engraving S2301 0870.

Screen printing M1112B IC.

Silkscreen 7420B U32M memory.

Qualcomm QCC3020 Bluetooth audio chip,  Bluetooth 5.0 and built-in 120 MHz Qualcomm® KalimbaTM DSP.

That's all. 

Teardown summary

1. 1More E1026BT are with the IF award design , precision manufacturing and reasonable layout; The sound performance is adjusted professionally.

2.  1More E1026BT true wireless earbuds with Built-in  Qualcomm QCC3020 Bluetooth audio chip supporting aptX and AAC, Bluetooth 5.0, and DSP active noise cancellation deliver excellent features and super sound performance.

2019 best budget hifi ture wireless earphones for sale under $100


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Vignesh - July 18, 2022

Is the design kept to support replacement of battery in the earbuds and charging case without causing damage to the body ??

ARTHUR A ROSS - June 15, 2020

What is the “Tuning Hole” for?
Can the volume be adjusted?
Left earbud of my 1MORE Stylish performs at
much lower volume than right earbud…?
Thank you!

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