Redmi Buds 4 Lite Wireless Earphones
Introduction
Read this manual carefully before use, and retain it for future reference.
Getting Started
Pairing and Basic Controls
The manual details initial setup and basic operations. The earbuds are designed for wireless connectivity via Bluetooth.
Low Latency Mode
To Turn On/Off Low Latency Mode:
- When the earbuds are not in calling mode, open the charging box, take out and put on the earbuds.
- 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, place the earbuds into the charging box and close the lid to turn off the Mode.
- If needed, you can press and hold the touch areas again to enable this mode.
Restoring Factory Settings
Ensure the charging box is powered and the earbuds are inside. After opening the charging box, take out and put on the earbuds. 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 a beep is heard, the earbuds reset successfully and re-enter Pairing Mode.
Specifications
Earphones
- 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
- Compatibility: Supports certain Android or iOS systems.
- Wireless Range: 10 m (in an obstacle-free environment)
- Wireless Connectivity: Bluetooth 5.3
Charging Case
- Model: M2231E1
- Charging Port: Type-C
- Battery Capacity: 320 mAh
- Input: 5 V 350 mA
- Output: 5 V 150 mA
Note:
- Cold weather and dry hands may affect touch functionality.
- The multi-function area is sensitive; accidental touches when handling the earbuds may trigger play/pause on the paired device.
Important Safety Information
The product contains a built-in battery that cannot be removed or replaced. Do not attempt to disassemble, repair, or modify the product yourself, as this may cause fire or damage. The battery must only be replaced by authorized service providers with the same type. Improper disposal of batteries can lead to explosions or leakage of flammable materials. Keep the product's indicator away from children's and animals' eyes. Avoid prolonged use at high volume to prevent hearing loss. This product is not a toy and may contain small parts.
Safety Precautions:
- Do not disassemble, puncture, crush, or expose the product to fire.
- If skin irritation occurs, stop use and seek medical attention.
- Keep out of reach of children.
- Do not dispose of batteries in fire, hot ovens, or water; avoid mechanical crushing or cutting.
- Avoid exposure to extreme temperatures or low air pressure, which can cause explosions or leaks.
Product information and certification marks are located in the Charging Case. The symbol indicates DC voltage.
Compliance Information
EU Declaration of Conformity
Chongqing Qianxing Technology Co., Ltd. declares that the radio equipment type M2231E1 complies with Directive 2014/53/EU. The full text is available at: http://www.mi.com/global/service/support/declaration.html
UKCA Declaration of Conformity
Chongqing Qianxing Technology Co., Ltd. declares that the radio equipment type M2231E1 complies with Radio Equipment Regulations 2017. The full text is available at: http://www.mi.com/uk/service/support/declaration.html
WEEE Information
This symbol indicates that the product is waste electrical and electronic equipment (WEEE) and should not be mixed with household waste. Dispose of it at designated collection points for recycling.
FCC Compliance Statements
This device complies with Part 15 of the FCC Rules. Operation is subject to two conditions: (1) it may not cause harmful interference, and (2) it 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.
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 two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation. This equipment complies with IC RSS-102 radiation exposure limits.
RF Exposure Compliance
This equipment complies with FCC/ISED radiation exposure limits for an uncontrolled environment. End users must follow specific operating instructions for satisfying RF exposure compliance. The portable device is designed to meet requirements for exposure to radio waves.
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.
Warranty Information
Xiaomi offers additional warranty benefits to consumers, which are in addition to, and not instead of, any legal warranties provided by national consumer law. After-sales services are limited to the country or region of original purchase, unless prohibited by law. Xiaomi will, at its discretion, repair, replace, or refund the product. Normal wear and tear, force majeure, abuse, or damage caused by user negligence are not covered. Contact an authorized Xiaomi service provider for warranty claims. Products not duly imported, manufactured, or acquired from Xiaomi or an official seller are not covered.
Manufacturer Information
Manufactured for: Xiaomi Communications Co., Ltd.
Manufactured by: Chongqing Qianxing Technology Co., Ltd. (a Mi Ecosystem company)
Address: No. 8, Shuangxing Avenue, Bishan Street, Bishan District, Chongqing Municipality, China
For further information, please go to www.mi.com
User Manual Version: V1.0
