Description

Brand Name: UGREEN
Vocalism Principle: Dynamic
Control Button: No
Active Noise-Cancellation: No
Communication: True Wireless
Volume Control: No
Style: Headphone
Sensitivity: 42DBdB
Wireless Type: Bluetooth
Is wireless: Yes
Line Length: 0Nonem
Support APP: No
Function: Common Headphone
Function: For Mobile Phone
Function: HiFi Headphone
Function: Sport
Number Of Drivers: 0
Plug Type: L Bending
Connectors: None
Model Number: CM338(80311)
Earcups Type: Sealed
Headphone Pads Material: Other
Bluetooth Version: 5.0
Codecs: AAC
Support Memory Card: No
Resistance: 16ΩΩ
Waterproof: No
Frequency Response Range: 20 – 20000Hz
Total Harmonic Distortion: 0.8–%
With Microphone: Yes
Features: With Microphone
Charging Method: Charging case
Magnet Type: Other
Product Name: TWS Bluetooth Earphone
Bluetooth Version: 5.0
Operating Distance: Up to 10m (Unobstructed Environment)
Control Method: Touch Button
Battery Capacity: 35mAh (single earphone)
Charging Case Capacity: 480mAh
Playing Time(Earphones): 3 hours
Calling Time(Earphones): 3 hours
Charging Time: 1 hour
Battery: Built-in Lithium polymer battery
Charging Port(Charging Case): Micro USB
Operating Times(Charging Case): 6.5 times(two earphones); 13 times(one earphone)
Input(Charging Case): DC5V, 500mA-1000mA
Output(Charging Case): 5V/100mA

SPECIFICATION

– True Wireless Stereo & Bluetooth 5.0: Deliver extraordinary Hi-Fi sound with low latency.

– Auto Paring & On-ear Control: User-friendly touch button on each side supports play/pause and handling phone calls easily.

– Long Battery Life: 3 hours working time per charge for the earbuds, 18 hours playtime with charging case.

– Comfotable Fit: Ultra-light weight and 3 sized earplugs provide wonderful wearing experience.

TOUCH CONTROL TIPS

– Play/Pause Music: Double click

– Switch Music: Long press for 2s

– Answer/End Call: Double click

– Refuse Coming Call: Long press for 2s

– Voice Assistant: Triple Click

– Manual Pairing: Long press for 4s

– Reset Factory Settings: Triple click, and long press for the third click

IMPORTANT NOTE

– This bluetooth earphone supports only sweatproof, not waterproof

– The language of system warning tone is English

– There might be slight current sound when the earbuds are pairing, and it will disappear after connecting successfully. It is normal and does not affect its performance.

– For microphone function, it depends on which earphone is taken out first, then only working in that earphone, and another earphone cannot use microphone.

PRODUCT PARAMETER

– Bluetooth Chip: PAU1603

– Supported Decoding Mode: SBC/AAC

– Charging Case Size: 56*39.7*29.8mm

– Earphone Size: 24*14.5*23.1mm

LED INDICATOR LIGHT

For Earphones:

– Charging: indicator lights red

– Charged: red indicator turns off

– Low Battery: indicator flashes red

For Charging Case:

– Charging: indicator lights red

– Charged: red indicator turns off and turns to lights blue

– Low Battery: indicator flashes red

PACKAGE LIST

– Bluetooth earphone x 1 set

– Charging case x 1

– 0.25m micro USB charging cable x 1

– Ear tips x 3 sizes

Powerful Bluetooth 5.0

Lower power consumption and more stable connection

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Portable Touch Control

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Seamless Pairing

Auto re-connection once taking out the earphones

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Connection Guide

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18H Battery Life

·3 hours each full charge
·18 hours with charging case

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Hi-Fi Stereo Sound

Immersive yourself in the music world

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Comfortable Fit

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Convenient Voice Assistant

Triple click to activate your personal assistant

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Product Specification

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Package Display

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CONNECTION GUIDE

First Pairing

Step 1. Take out earphones, enter the pairing state automatically

Step 2. Refresh bluetooth device on your phone, find "Ugreen-80311E" and match it

How to connect two mobile phones at the same time ?

Step 1. Take out one of earphones(A), press long(about 4s) to enter matching state(White and orange lights flash alternately),

then double click, now white light flashes

Step 2. Take out another earphone(B), press long(about 4s) to enter matching state(White and orange lights flash alternately),

then connect earphone B to phone

Step 3. Take previous earphone(A) and double click to enter matching state(White and orange lights flash alternately), then

connect earphone A to another phone

Compare Ugreen TWS Bluetooth Earbuds

(PS: Click image to view the relevant product and purchase details.)

Model	True Wireless Stereo Earbuds (80636)	True Wireless Stereo Earbuds (80311)	HiTune with aptX (80606)
Products
Bluetooth Version	5.0	5.0	5.0
Audio Decoding Format	SBC/AAC	SBC/AAC	aptX/SBC/AAC
Master-slave switch	Not Support	Support	Not Support
Noise Cancellation	Dual mic	Dual mic	Dual mic
Music/Total battery life	5H/15H	3H/18H	10H/27H
Earphone battery	45mAh	30mAh	60mAh
Charging case battery	300mAh	480mAh	300mAh
Charge port	Micro-USB	Micro-USB	Type-c
Features	Superfast Pairing	An Optimum Comfort Fit	CD-level Sound with aptX

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