The Redmi Buds 4 Active offer high-quality sound with extended battery life, thanks to their long-lasting battery and Bluetooth 5.3 technology. These wireless earbuds also feature IPX4 water resistance, making them ideal for sports activities.
12 mm Dynamic Driver
The 12 mm dynamic driver is larger than before. With adjustments made by experts at the Xiaomi Acoustic Lab, it delivers enhanced bass and better acoustics for a pleasant listening experience for users around the world.
Noise Cancellation for Calls
Each earbud is equipped with a high-sensitivity microphone that helps reduce ambient sound and background noise, ensuring optimal voice clarity for effective communication even in noisy environments.
Listen to Your Favorite Music Longer
The earbuds offer up to 5 hours of battery life on a single charge and up to 28 hours* with the portable charging case, allowing you to enjoy your music day and night.
Quick Charging
With quick charging, just 10 minutes of charge provides 110 minutes of listening*. Take a break, then resume your musical journey where you left off.
Fully Upgraded
The earbuds now come equipped with the latest Bluetooth 5.3 technology, which reduces power consumption, improves signal stability, and enhances interference resistance. Even when surrounded by multiple devices, it ensures reliable transmission without any interference.
IPX4 Water Resistance
The earbuds now feature a sleek and professional structural design that has passed the IPX4 water resistance test*. Whether you're engaging in outdoor activities or sweating it out at the gym, you can trust that they'll always get the job done.
Easily Customize Your Earbuds
Download the Xiaomi Earbuds app to set the low-latency mode of your Redmi Buds 4 Active wireless earbuds and check the battery status. You control the personalized features of your earbuds.
Basic Parameters
Dimensions
Weight
Per Earbud: 3.65 g
Charging Case: 34.7 g
Total Weight: 42 g
Battery
Earbuds: 1040 (34 mAh)
Charging Case: 440 mAh
Charging
Charging Port: Type-C
Earbud Input Parameters: 5 V ⎓ 0.10 A
Charging Case Input Parameters: 5 V ⎓ 0.50 A
Charging Case Output Parameters: 5 V ⎓ 0.20 A
Connectivity
Wireless Connectivity: SBC
Bluetooth Protocols: HFP/A2DP/AVRCP
Communication Range: 10 m
Speaker Impedance