Original Xiaomi Buds 4 Pro 48dB Noise Cancelling Bone Sensor Wireless Earphone, Buds 4 Pro

1. 48dB 4000Hz ultra-wideband intelligent dynamic noise reduction
2. 11mm dual magnetic dynamic unit, HiFi sound quality
3. LHDC 4.0 transmission protocol, support 96KHz high-definition audio
4. Bone voiceprint sensor, 3 microphone noise reduction
5. Built-in six-axis sensor, intelligent recognition, bringing 360-degree stereo surround sound experience
6. 38 hours long battery life (with the charging case)
7. Ergonomic design, comfortable to wear
8. Pressure-sensitive operation, quick response, and support for voice control
9. Support simultaneous connection of multiple devices
10. IP54 dustproof and waterproof

Product parameters
1. Wireless connection: Bluetooth 5.3
2. Communication distance: 10m (barrier-free)
3. Bluetooth protocol: Bluetooth Low Energy/HFP/A2DP/AVRCP
4. Bluetooth codec: SBC/AAC/LHDC 4.0
5. Frequency response range: 20Hz-40kHz
6. Battery capacity: Headphone: 53mAh, Charging case: 565mAh
7. Wireless charging: support Qi wireless charging protocol
8. Charging port: Type-C
9. Headphone input: 5V 280mA
10. Charging box input: 5V 2.3A
11. Charging box output: 5V 560mA
12. Music time: 9 hours (noise reduction off), 5 hours (deep noise reduction)