Brand: Huawei Type: In-Ear Earbuds Compatible With: Mobiles & Tablets Connectivity: Wireless Battery Life: 510 mAh Noise Cancellation: Yes Battery: - Battery capacity Earbuds: 55mAh (minimum value each); Charging case: 510mAh (minimum value) - Charging method Wired charger: USB-C port 5V-0.5A or higher Wireless charger: Supported, up to 5W - Theoretical charging time Approx. 40 minutes for earbuds (in charging case) Approx. 1 hour for charging case without earbuds (wired) Approx. 150 minutes for charging case without earbuds (wireless) Features: - Speaker Dual speaker：11mm dynamic speaker + flat diaphragm speaker - Control buttons Double taps: Answer call during incoming call/End call during call/Previous song/Next song/Play, pause/Wake up voice assistant. Three taps: Previous/Next song Swipe: Swipe up or down to adjust volume Press and hold: Enable/disable noise reduction and reject calls/wake up voice assistant - Connectivity BT 5.2 Bluetooth compatibility Pop-up pairing supported Simultaneous Bluetooth connection with two devices supported - Sensor Infrared sensor / Hall sensor / Gyroscope / Accelerometer sensor / Bone acoustic sensor / Touch sensor / Pressure sensor - Splash, water and dust resistance Earbuds: IP54 Charging case: Not waterproof - Audio technology Digital splitter / Triple adaptive equalizer / Active noise cancellation / Call noise cancellation / Transparency mode Model Name: FreeBuds Pro 4 Color: Black

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