Product Description

Wireless headphones equipped with the latest Bluetooth 5.3 technology. They have a fast-charging case and a 12 mm dynamic driver. Redmi Buds 4 Active Bluetooth 5.3 | Google Fast Pair | Up to 28 hours of operation with the case 12mm dynamic driver The 12mm dynamic driver is even better than before. Professionally tuned by Xiaomi Acoustic Lab, it delivers enhanced bass and enhanced acoustics for a more enjoyable listening experience. Playback time Up to 30 hours Headphone battery life About 5 hours Fast charging 10 minutes = ~90 minutes of playback Charging port Type-C Landing Headphone charging input parameters: 5V⎓0.10A Charging case input parameters: 5V⎓0.50A Charger output parameters: 5V⎓0.20A Set Charging case × 1 In-Ear Headphones ×2 Headphone rubber bands User manual × 1 Weight 3.92g - single earphone Single earbud: 3.65g Charging case: 34.7g Total weight: 42g Dimensions Single earbud: 31.1 × 20.9 × 22.5 mm Charging case: 63.2 x 53.4 x 24 mm Communication range 10m Speaker impedance 32Ω Connectors USB Type-C port Functions 32Ω Battery Earbuds: 34mAh x2 Charging case: 440mAh Charging Features 5V output (150mA) 5V input (350mA) Communication Bluetooth 5.3 A2DP, AVRCP, HFP Wireless connection:SBC Bluetooth protocols:HFP/A2DP/AVRCP Model M2231E1 Redmi Buds 4 Active