Redmi Buds 4 Lite True Wireless Earbuds User Manual

: October 30, 2023
: Redmi

Table of Contents

Redmi Buds 4 Lite True Wireless Earbuds
Product Information
Product Usage Instructions
What’s In the Box
LED Indicators
Charging
Operation
Specifications
Important Safety Information
EU DECLARATION OF CONFORMITY
FCC Compliance Statements
ISED Compliance Statements
Warranty Notice
References
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Redmi Buds 4 Lite True Wireless Earbuds

Product Information

Product Name: Redmi Buds 4 Lite
Weight: 105g (charging case), 60g (earbuds)
Dimensions: 90mm x 90mm
Charging Time: 1.5 hours
Connectivity: 5G
Charging Port: Type-C
Battery Life: Up to 10 meters
Number of Earbuds: 2
Low Latency Mode: Yes

Product Usage Instructions

Turn On/Off Low Latency Mode:

When the earbuds are not in calling mode, open the charging box and take out the earbuds.
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.
If needed, you can press and hold the touch areas again to enable this 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.

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.

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

What’s In the Box

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LED Indicators

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Charging

$Redmi-Buds-4-Lite-True-Wireless-Earbuds-fig- $2$$

Operation

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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.

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
Compatible with: This product only supports certain Android or iOS systems. For detailed information, please check the product page on www.mi.com.

Charging Case

Model: M2231E1
Charging Port: Type-C
Battery 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

Note:

Once the weather is cold outdoors and your hands become dry, the earbuds may not function when touching them.
As the multi-function area is highly sensitive, if users touch this area by mistake when picking and placing the earbuds, the paired Bluetooth device may be triggered to perform the play/pause function.

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.
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 cutting of a battery, that can result in an explosion.
Leaving a battery in an extremely high temperature surrounding environment can result in an explosion or the leakage of ﬂammable liquid or gas.
A battery subjected to extremely low air pressure 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

Hereby, Chongqing Qianxing Technology Co., Ltd. declares that the radio equipment type 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.

WEEE Information
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: (1) this device may not cause harmful interference, and (2) 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.

End user must follow the specific operating instructions for satisfying RF exposure compliance. The portable device is designed to meet the requirements for exposure to radio waves established by European Union market(France). The SAR limit: 2W/kg. The highest SAR value: 0.172W/kg.

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.