Model: Huawei Freebuds Pro 4
Lossless sound quality: Supported
Compatible with HUAWEI Mate 70 series phones and HUAWEI Mate X6 models, HarmonyOS 4.3 and later versions can achieve up to 2.3Mbps lossless sound quality, data from Huawei LABS. The 2.3 Mbps transmission capability is certified by HWA.
Spatial audio: Supported
Huawei mobile phones or tablets of HarmonyOS 3.0 or later must be compatible.
Hi-Res: Supported
HWA: Supports 2.3Mbps Lossless authentication
EQ sound effects: Supported
Frequency response range :14Hz-48KHz
Sound unit: Double unit: 11mm four-magnet moving-coil unit + micro-flat treble unit
How to wear: in-ear
Noise reduction
Active noise reduction: Support, memory earbud depth noise reduction
Transparent transmission: Supported
Call: Microphone
Silicon microphones: left earphone 3, right earphone 3
Bone conduction pickup microphone: left earphone 1, right earphone 1
Call noise reduction: Support, two-way quiet call
Bluetooth version: Bluetooth 5.2
Offline search: Supported
Support network search,
Use HarmonyOS 2.0 or later Huawei mobile phones or tablets and log in to a Huawei account registered in China.
Dual device connection (unlimited system) : Supported
HarmonyOS Multi-device connection: Supported
Multi-device automatic switchover is compatible with HarmonyOS 3 and later models of mobile phones or tablets.
Low latency: Supported
The low-latency function must work with Huawei smartphones or tablets of EMUI 10.1 or later or HarmonyOS 2.0 or later
Charging mode
Wired charging: USB-C
Wireless charging: up to 5W
Super Fast charge: Not supported
Charging time
Charging case to charge headphones: about 40 minutes
Empty box wired charging: about 60 minutes
Empty box wireless charging: approx. 150 minutes
Battery capacity
Headset: 55 mAh (minimum for single headset)
Charging case: 510 mAh (minimum)
Endurance time
Sound quality first:
Listening to music (noise reduction on) : the use of headphones for a single charge is about 4.5 hours, and the use of charging boxes is about 22 hours;
Listening to music (noise reduction off) : the headset is used for about 6.5 hours on a single charge, and the charging box is used for about 30 hours;
Connection stability priority:
Listening to music (noise reduction on) : the headset is used for about 5 hours on a single charge, and the charging box is used for about 23 hours;
Listening to music (noise reduction off) : the headset is used for about 7 hours on a single charge, and the charging box is used for about 33 hours;
Voice call (noise reduction on) : the use of the headset is about 3.5 hours per charge, and the use of the charging case is about 18 hours;
Voice call (noise reduction off) : The headset uses about 4.5 hours on a single charge and about 22 hours with the charging case
Wear detection: Supported
Tap: Supported
Slide: Support
Pinch: Support
dimension
Earphone: 29.1mm * 21.8mm * 23.7mm (H x W x D)
Charging case: 46.9mm * 65.9mm * 24.5mm (H x W x D)
Whole machine (including packaging) : about 165g
Single headset: About 5.8g
Charging case: about 47g
Waterproof and dustproof grade
Headphone: Dust and water resistance (IP54)
Packing list
Earphones x 2 (1 for each ear)
Charging box × 1
Earplugs × 7 (silicone: L, M, S, XS; Sponge: L, M, S; Among them, silicone M number is placed on the headset when it is shipped)
Quick Guide × 2 (with safety information, sponge earplug guide)
Warranty card x 1
USB Type-C data cable x 1
