Original Xiaomi Redmi Buds 5 Pro Wireless Bluetooth Earphone 1. Bluetooth version: 5.3 2. Waterproof level: IP54 3. Flagship sound quality, customized ceramic ring coaxial dual unit 4. 52dB flagship active noise reduction, 4000Hz ultra-wideband noise reduction 5. Ergonomic design, comfortable to wear 6. 49ms full-link low latency, listening one step faster 7. 3 levels of noise reduction, adaptive switching, meeting the needs of multiple scenes 8. AI self-developed call resistance against wind noise, covering 99% of daily noise sources 9. Multi-device, cross-platform spatial audio brings surround sound field experience 10. The battery life is about 10 hours with a single use, and up to 38 hours with the charging box. 11. Support Xiaomi headset APP, adapt to Android and iOS platforms 12. Intelligent connection of dual devices, strong compatibility Product parameters: 1. Headphone input: 5V160mA 2. Charging box input parameters: 5V700mA 3. Charging interface: Type-C 4. Single earphone music battery life: about 10h (noise reduction off) 5. Battery life including charging box: about 38 hours (noise reduction off) 6. Bluetooth protocol: Low EnergyHFPA2DPAVRCP 7. Working distance: 10m 8. Speaker impedance: 16 Ohm packing list Charging box x 1 Headphones x 1 pair Instruction manual x 1 Type-C charging cable x 1 Ear caps x 3 pairs