HUAWEI FreeBuds SE 4 ANC – Black

44.5 × 40.0 × 9.3 mm

*9.3 mm is the thickness of the watch measured at its thinnest point (excluding the sensor area).

**Product size, weight, and related specifications are theoretical values only. Actual sizes for each product may vary. All specifications depend on the actual product.

130 – 210 mm

Supported

Approx. 30.4 g (without belt)

*Product size, weight, and related specifications are theoretical values only. Actual sizes for each product may vary. All specifications depend on the actual product.

1.82-inch AMOLED display

480 × 408 pixels, 347 pixels per inch

3000 Nits

*Peak brightness is 3000 nits. The data comes from Huawei labs. The brightness of the screen may vary depending on the lighting environment and the contents of the specific screen.

Blue Sapphire Glass

*Made of synthetic blue sapphire glass.

Mid-frame: Aluminum alloy

Frame: Titanium Alloy

Green Nylon Strap

Blue fluorescent rubber strap

Black fluorescent rubber strap

Accelerometer Sensor

Gyroscope Sensor

Magnetometer Sensor

Optical heart rate sensor

Barometer Sensor

Temperature Sensor

Ambient Light Sensor

ECG sensor

Depth Sensor

Main button (swivel crown) and side button

Wireless Charging

Android 8.0 or later

iOS 13.0 or later

Standard 5 ATM

*Complies with ISO 22810:2010 water resistance level of 5 ATM, which indicates that the device can withstand a constant water pressure of 50 meters for 10 minutes, and does not mean that the product can withstand water at a depth of 50 meters.

IP6X

*Complies with IEC 60529:2013 (Level 6).

Diving (up to 40 meters deep)

*Complies with the EN13319 standard for diving accessories, and supports freediving at depths of up to 40 meters. It can be worn during activities in shallow water, such as swimming in a pool or along the coast. After wearing the device in aquatic activities, clean and dry it immediately, remove water stains from product surfaces and all holes, and use the device’s drainage feature to avoid the negative impact on the device’s performance.

The product should not be worn in the following scenarios: (Damage to the device due to immersion in liquid is not covered by the warranty if the device is worn in an inappropriate scenario). (1) When bathing in hot water, in hot springs, saunas (steam rooms) and other activities in environments with high temperatures and/or high humidity. (2) Activities that may expose the device to shower gels, shampoos, soapy water, and any other laundry or cleaning products. If the device comes into contact with any of these products, rinse and soak in fresh water for 30 minutes. (3) Breathing dive, technical diving, and diving activities at depths exceeding 40 meters. (4) Nylon belts are not designed for water activities (such as swimming) or to withstand sweat, hence other belts are recommended in such scenarios.

For more information on the water resistance of Huawei wearables, please visit: https://consumer.huawei.com/en/support/content/en-us15851428/.

The waterproof function is not permanent, and performance may be impaired as a result of daily wear and tear. It is recommended that you regularly visit an authorized Huawei service center for inspection and maintenance.

Supported

2.4 GHz, supports BT5.2 and BR+BLE

L1:
GPS+GLONASS+Galileo+BDS+QZSS

L5:
GPS+Galileo+BDS+QZSS

Supported

–20°C to +45°C

5V-9V DC/2A

Factory defaults, 30-minute/week Bluetooth calls, 30-minute/week music playback, always heart rate monitoring, scientifically based night-sleep, 90-minute exercise per week, and message notifications enabled (50 messages, 6 calls, 3 alarms per day)2. Turn on the screen 200 times a day.

Factory defaults, 30-minute Bluetooth calls/week, 30-minute/week music playback, always heart rate monitoring, scientifically based sleep at night, pressure detection, heart rate and pulse wave disorder analysis, sleep breathing awareness detection, exercise for an average of 180 minutes per week, and enable message notifications (50 messages, 6 calls, 3 alarms per day)2. Turn on the screen for 30 minutes every day.

Factory defaults, screen off, Bluetooth calls for 30 minutes/week, music playback for 30 minutes/week, normal heart rate monitoring, scientifically based sleep at night, automatic pressure detection, heart rate and pulse wave analysis features, sleep breathing awareness detection, exercise for an average of 180 minutes per week, and enable message notifications (50 messages, 6 calls, and 3 alarms per day)2. Turn on the screen for 30 minutes every day.

*Data comes from Huawei labs. Actual use may vary depending on the specific product, usage habits, and environmental factors.

× 1 hour

Charging Stand (including Charging Cable) 1

Quick Start Guide, Safety Information, and Warranty Card ×