coumi 705TB Active Noise Cancelling Wireless Stereo Headphone User Guide

June 6, 2024
COUMI

Quick Start Guide
COUMI MARDI GRAS
ACTIVE NOISE CANCELLING
WIRELESS STEREO HEADPHONE

Product Overview

coumi 705TB Active Noise Cancelling Wireless Stereo

1.Power Button
2.Volume + / Next Track
3. Volume – / Previous Track
4.3.5mm Audio Port| 5.Type C charging port
6.Power/Charging/ Bluetooth Indicator
7.ANC Button
8.Microphone
---|---

Package Contents

  • 1 x ANC Headphone
  • 1 x Type C Charging Cable
  • 1 x 3.5mm Audio Cable
  • 1 x Quick Start Guide

Wear and charge

How to wear

coumi 705TB Active Noise Cancelling Wireless Stereo - wear and
charge Adjust the headband to fit your head comfortably.
How to charge

  1. Connect the charging port with any USB charging adapter or active computer USB port
  2. Charging will start automatically with the charging indicator turning red.
  3. The headphones are fully charged when the charging indicator turns off.
  4. ANC function and control button are unavailable when connected via an audio cable.

How to connect

Bluetooth pairing

  • Make sure the headphones and your Bluetooth device are next to each other (within 3ft/1m).
  • Press and hold the Power Button for 5 – 7 seconds to bring the headphones into pairing mode with the power / Bluetooth indicator flashing blue and red alternately.
  • Activate Bluetooth on your device and search for nearby Bluetooth connections
  • Find“ANC-551L”in the search results. Tap on the name to connect.
  • Once connected, the LED indicator will ¦flash blue once every 5 seconds.

coumi 705TB Active Noise Cancelling Wireless Stereo - Bluetooth
pairing

Note:

  • The Bluetooth headphones can remember devices paired previously. You may simply turn on the headphones and the device (with Bluetooth activated), and they will connect to the last connected device automatically without going into the pairing mode.
  • To clear the pairing history, Disconnect on your device, and then press and hold the Volume + and Volume – Buttons simultaneously when the headphones are on until the  Bluetooth indicator flashes blue and red one second, then Restart after Shut Down.

Button Functions

Earphone Operation Guide

Function Operations
Turn on Long press and hold the Power Button for 3-5

seconds until the power indicator flashes blue and there is “POWER ON” voices.
Turn off| Long press the Power Button for 3-5 seconds until the power indicator flashes red and there is a “POWER OFF” voice.
Play / Pause / Answer /Hang-up Phone Calls| Press the Power Button once.
Reject Phone Calls| Press and hold the Power Button for 1-2 seconds
Mute the Call/ Music| Press Volume + and Volume – Buttons at the same time
Redial| Press the Power Button twice.
Volume+/-| Press and hold the Volume+/- Button
Previous/ Next Track| Press and hold the Volume-/+Button
Bluetooth Pairing| Long press the Power Button for 5-7 seconds until the power indicator flashes red and blue alternately, and there is a “Pairing” voice.

Led Indication

Headphone Led Indication

Turn on| The blue light on 1s, then flash per 0.5s
Turn off| Led turn red and then shuts off
Pairing| Blue and red light flashing alternately
Bluetooth connected| Blue light flashes every 5s
Bluetooth disconnected| Blue light flashes every 5s
Battery low alarming| Red light flashes every 5s
Charging| When charging, the red light on, after full charged the blue light on

Technical Parameters

Technical Parameters
Product Pairing Name: ANC-551L
Product Model: ANC-551L
Bluetooth Version: 5.0
Support Agreement: HFP/HSP/A2DP/AVRCP
Communication distance: 10m
Play Time: ANC Feature On: Up to 17Hours
ANC Feature Off: Up to 18 Hours
Charging time: Around 2.5 ~3hours
Battery Capacity:520mAh
Frequency response:20Hz-20KHz
Product size:200X180X77mm
Net weight:245g
Endurance instructions
Under the general use of the headphones, the theoretical maximum playback time is 17 hours with ANC ON, The battery life would be different due to the system of the mobile phone and other devices, the audio format and personal usage habits (such as the volume) .
For quick charging, you need to use a DC 5V charger with more than 1A.

  • This product has been inspected and qualified.

Common Problem

  1. Headphones can`t turn on.
    Please make sure it has power and turns on when fully charged.

  2. Bluetooth can’t pair.
    Please make sure the earphone is on and match distance within 1m, re-pair when power on.

  3. Part of Bluetooth needs a pair code.
    Please input “0000”.

  4. Re-connect automatically.
    It will re-connect the last matched Bluetooth automatically.

  5. How long will turn off automatically when it doesn`t connect?
    The headphones shut off automatically after 5 minutes when ANC Off and no device is connected. (while if the headphone ANC is on, the headphone will not shut off automatically).

  6. Re-pair
    • The Bluetooth headphones can remember devices paired previously.
    You may simply turn on the headphones and the device (with Bluetooth activated), and they will connect to the last connected device automatically without going into the pairing mode.
    • To clear the pairing history, Disconnect on your device, and then press and hold the Volume + and Volume – Buttons simultaneously when the headphones are on until the  Bluetooth indicator flashes blue and red one second.

Warning:

  1. Do not remove or modify the earphone for any reason, otherwise, it may cause the earphone to malfunction or burn, electronic breakdown or even completely damage the product.
  2. This product has a built-in rechargeable lithium-ion battery. It is forbidden to disassemble, impact, squeeze or put into the fire. If there is serious expansion, please do not continue to use it.
  3. Do not place the device in an environment where the temperature is too low or too high (below 0℃ or over 45℃).
  4. Do not use the device during thunderstorms.  Thunderstorms can cause the device to malfunction and increase the risk of electric shock.

Warranty Card

Product information

Product No.:|
Product SN:|
Invoice NO.:|
Purchase Date:| Y M D
Purchase access| KOUPE Webiste/ Amazon Website
| / Shopping/Others
User Information
Name:|
Address:|
Phone:|
| Repair Records
Date| Failure Description| Record| Signature
| | |

Service Email: Vip.coumi@outlook.com

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