xiaomi M2231E1 Redmi Buds 4 Lite Wireless Earphones User Manual

: June 11, 2024
: Xiaomi

Table of Contents

xiaomi M2231E1 Redmi Buds 4 Lite Wireless Earphones
Product Information: Redmi Buds 4 Lite
Product Usage Instructions
Turning On/Off Low Latency Mode
Factory Resetting
Turn On/Off Low Latency
Restoring Factory Settings
Specifications
Important Safety Information
EU DECLARATION OF CONFORMITY
FCC Compliance Statements
Warranty Notice
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

xiaomi M2231E1 Redmi Buds 4 Lite Wireless Earphones

xiaomi-M2231E1-Redmi-Buds-4-Lite-Wireless-Earphones-prodyuct-
image

Product Information: Redmi Buds 4 Lite

Model: Redmi Buds 4 Lite
Size: 90mm x 90mm
Weight: 105g (charging case), 60g (earbuds)
Type of charging port: Type-C
Connectivity: 5G
Battery life: up to 1.5 hours
Low latency mode available
Factory reset option available

Product Usage Instructions

Before using the Redmi Buds 4 Lite, read the user manual carefully and retain it for future reference.

Turning On/Off Low Latency Mode

To turn on/off the Low Latency Mode:

Ensure that the earbuds are not in calling mode.
Open the charging box and take out the earbuds. Put them on.
Long press and hold the left and right ear touch areas simultaneously for 1.5 seconds to turn on/off the Low Latency Mode.
If the Low Latency Mode is enabled, put the earbuds into the charging box and close the lid to turn off the Low Latency Mode.
If needed, you can press and hold the touch areas to enable this mode again.

Factory Resetting

To restore the Redmi Buds 4 Lite to factory settings:

Ensure that the charging box is powered and the earbuds are in the charging box.
Open the charging box and take out the earbuds. Put them on.
Within 30 seconds, press the touch areas on the left and right sides simultaneously five times (when the earbuds are not playing music or making calls).
Once you hear a beep, the earbuds reset successfully and re-enter the Pairing Mode.

Read this manual carefully before use, and retain it for future reference.

xiaomi-M2231E1-Redmi-Buds-4-Lite-Wireless-Earphones-3

Turn On/Off Low Latency

When the earbuds are not in calling mode, open the charging box, take out and put on the earbuds, and long press and hold the left and right ear touch areas simultaneously for 1.5 seconds to turn on/off the Low Latency Mode.
When the Low Latency Mode is enabled, put the earbuds into the charging box and close the lid to turn off the Low Latency Mode; If needed, you can press and hold the touch areas to enable this mode again.

Restoring Factory Settings

Ensure that the charging box is powered and the earbuds are in the charging box. After you open the charging box, take out and put on the earbuds, and within 30 seconds, press the touch areas on the left and right sides simultaneously five times (when the earbuds are not playing music or making calls). Once you hear a beep, the earbuds reset successfully and re-enter the Pairing Mode.

Specifications

Name: Wireless Earphones
Model: M2231E1
Frequency Band: 2402-2480 MHz
Max RF Output Power: < 20 mW
Storage Temperature: 0 °C to 45 °C
Operating Temperature: 0 °C to 45 °C

Charging Case

Model: M2231E1
Charging Port: Type-C B
attery Capacity: 320 mAh
Input: 5 V 350 mA
Output: 5 V 150 mA

Earbuds

Wireless Range: 10 m (in an obstacle-free environment)
Input: 5 V 50 mA
Wireless Connectivity: Bluetooth® 5.3

Important Safety Information

The product has a built-in battery that can not be removed or replaced.
To avoid damage to the battery or the product, do not disassemble or modify the battery by yourself.
The battery can only be replaced by the authorized service providers and must be replaced with the same type.
Replacement of a battery with an incorrect type may defeat a safeguard (such as catching fire, explosion and leakage of corrosive electrolyte).
Do not dispose of used batteries with household waste.
Disposal of this product and the used batteries shall comply with local laws and regulations.

Warranty Notice

Do not attempt to disassemble, repair or modify the product, as this may cause fire or even completely damage the product.
Keep the product’s indicator away from the eyes of children and animals while the product is in use.
Do not disassemble, puncture or crush the product nor expose it to fire.
Please stop using the product immediately and seek medical assistance if the contact area on your skin shows signs of redness or swelling.
To prevent possible hearing loss, do not use high volume for long periods of time.
This product is not a toy and may contain small parts. Please keep them out of the reach of children.
Disposal of a battery into fire or a hot oven or water or other liquids or mechanically crushing or coding of a battery, that can result in an explosion.
Leaving a battery in an extremely high temperature surrounding environment that can result in an explosion or the leakage of flammable liquid or gas.
A battery subjected to extremely low air pressure that may result in an explosion or the leakage of flammable liquid or gas.
Product information and certification marks are located in the Charging Case.
The symbol indicates DC voltage.

The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Xiaomi Inc. is under license. Other trademarks and trade names are those of their respective owners.

EU DECLARATION OF CONFORMITY

M2231E1 is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address:
http://www.mi.com/global/service/support/declaration.html

Hereby, Chongqing Qianxing Technology Co., Ltd. declares that the radio equipment type M2231E1 is in compliance with Radio Equipment Regulations 2017. The full text of the UKCA declaration of conformity is available at the following internet address:
http://www.mi.com/uk/service/support/declaration.html

All products bearing this symbol are waste electrical and electronic equipment (WEEE as in directive 2012/19/EU) which should not be mixed with unsorted household waste. Instead, you should protect human health and the environment by handing over your waste equipment to a designated collection point for the recycling of waste electrical and electronic equipment, appointed by the government or local authorities. Correct disposal and recycling will help prevent potential negative consequences to the environment and human health. Please contact the installer or local authorities for more information about the location as well as terms and conditions of such collection points

FCC Compliance Statements

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

This device may not cause harmful interference, and
This device must accept any interference received, including interference that may cause undesired operation.

Caution: Changes or modiﬁcations not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment oﬀ and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit diﬀerent from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.

ISED Compliance Statements
This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions:

This device may not cause interference.
This device must accept any interference, including interference that may cause undesired operation of the device.

This equipment complies with IC RSS-102 radiation exposure limits set forth for an uncontrolled environment.

RF Exposure Compliance
This equipment complies with FCC/ISED radiation exposure limits set forth for an uncontrolled environment. End user must follow the speciﬁc operating instructions for satisfying RF exposure compliance. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
The portable device is designed to meet the requirements for exposure to radio waves established by the FCC/ISED. These requirements set a SAR limit of 1.6 W/kg averaged over one gram of tissue. The highest SAR value reported under this standard during product certiﬁcation for use when properly worn on the Head, with 0mm separation.
FCC ID: 2AW4L-M2231E1 IC: 26401-M2231E1 CAN ICES-003(B)/NMB-003(B)

Warranty Notice

As a Xiaomi consumer, you beneﬁt under certain conditions from additional warranties. Xiaomi oﬀers speciﬁc consumer warranty beneﬁts which are in addition to, and not instead of, any legal warranties provided by your national consumer law. The duration and conditions related to the legal warranties are provided by respective local laws. For more information about the consumer warranty beneﬁts, please refer to Xiaomi’s oﬃcial website https://www.mi.com/en/service/warranty/. Except as prohibited by laws or otherwise promised by Xiaomi, the after-sales services shall be limited to the country or region of the original purchase. Under the consumer warranty, to the fullest extent permitted by law, Xiaomi will, at its discretion, repair, replace or refund your product. Normal wear and tear, force majeure, abuse or damage caused by the user’s negligence or fault are not warranted. The contact person for the after-sale service may be any person in Xiaomi’s authorized service network, Xiaomi’s authorized distributors or the ﬁnal vendor who sold the products to you. If in doubt please contact the relevant person as Xiaomi may identify. Products which were not duly imported and/or were not duly manufactured by Xiaomi and/or were not duly acquired from Xiaomi or a Xiaomi’s oﬃcial seller are not covered by the present warranties. As per applicable law you may beneﬁt from warranties from the non-oﬃcial retailer who sold the product. Therefore, Xiaomi invites you to contact the retailer from whom you purchased the product.

Manufactured for:
Xiaomi Communications Co., Ltd.

Manufactured by:
Chongqing Qianxing Technology Co., Ltd. (a Mi Ecosystem company)
Address: No. 8, Shuangxing Avenue, Biquan Street, Bishan District, Chongqing Municipality, China
For further information, please go to www.mi.com User Manual Version: V1.0

Complies with IMDA Standards xxxxxxxx