Weighing only 4.5 g, the earbuds are powered by the Qualcomm QCC3040 chip, which supports Bluetooth 5.2, low power consumption, faster transmission, and a more stable connection. It features a dual microphone with Qualcomm cVc Echo Cancelling and Noise Suppression Technology. Inside, the device uses a 12 mm dynamic driver tuned by Xiaomi Sound Lab.
The Redmi Buds 3 supports fast charging and is able to last for 90 minutes of music playback with a 10-minute charge. On normal use, it can last for 5 hours but coupled with its charging case, it can last for up to 20 hours. In addition, it has IP54 dust and water resistance rating.