Features:
Intelligent dynamic noise reduction with 48dB and 4000Hz ultra-wideband for high-quality sound
11mm dual magnetic dynamic unit for HiFi sound
LHDC 4.0 transmission protocol for 96KHz high-definition audio
Bone voiceprint sensor and 3 microphone noise reduction for clear calls
Built-in six-axis sensor for 360-degree stereo surround sound experience
Long battery life of 38 hours (with charging case)
Ergonomic design for comfortable wear
Pressure-sensitive operation and voice control support
Simultaneous connection of multiple devices
IP54 dustproof and waterproof

Specifications:
Wireless Connection: Bluetooth 5.3
Communication Distance: 10M (Barrier-Free)
Bluetooth Protocol: Bluetooth Low Energy/Hfp/A2Dp/Avrcp
Bluetooth Codec: Sbc/Aac/Lhdc 4.0
Frequency Response Range: 20Hz-40Khz
Battery Capacity: Headphone: 53 mah , Charging Case: 565 mah
Wireless Charging: Qi Wireless Charging Protocol
Charging Port: Type-C
Headphone Input: 5V 280Ma
Charging Box Input: 5V 2.3A
Charging Box Output: 5V 560Ma
Music Time: 9 Hours (Noise Reduction Off), 5 Hours (Deep Noise Reduction)

Package Includes:
1 x Buds 4 Pro 48Db Noise Cancelling Bone Sensor Wireless Earphone Black