Pairing Connections：It supports multiple devices dual connection when opening the cover
Xiaomi FlipBuds Pro supports open cover and connectivity，Currently matched with Xiaomi 11 Ultra、New phones such as Xiaomi 11 Pro and even Xiaomi laptop Pro 14 can experience this convenient feature。Open the cover and pop-up windows to connect，Automatic pairing and connections without operation，Very convenient。
In terms of headphone function management，The MIUI system has built-in settings interface for many functions of Xiaomi FlipBuds Pro，After successful pairing, the noise reduction gear can be further managed through the system settings.、Set gesture shortcut keys, etc.。
For third-party mobile phones，You need to download Xiaoai classmate，Enter the relevant settings interface through the device settings options in Xiao Ai。
But from the perspective of function，The menus of both first and third parties are basically the same，It means that even third-party equipment will not be missing，You can also get a similar experience to Xiaomi phones。
also，It also supports Android、apple、Dual connections between different systems such as Windows。This means you can connect two devices at the same time。For example, connecting to a laptop to listen to music、watch movie，When the call is received, you can also use Xiaomi FlipBuds Pro to answer the call，Listen to voice messages，You can use multiple devices normally without taking off your headphones。
On the basis of dual connection，Xiaomi noise-cancelling headphones Pro also supports audio sharing function。If you want to share music with others，Xiaomi noise-cancelling headphones Pro won't block new devices from connecting，You can also share functions，Let the audio play on both headphones at the same time。
Noise reduction and transmission：Three-speed noise reduction + two-speed transparent variable earplugs variable sound cylinder
——Active noise reduction
Xiaomi noise reduction headset Pro supports noise reduction depth up to 40db，It is one of the most powerful headphones on the market with the most active noise reduction capabilities.。The official APP provides a total of 3 levels of noise reduction intensity for adjustment，office、daily、The three stages of the aviation and tourism industry are enhanced in turn，You can choose the right gear according to the needs of different environments。
In the strongest airline gear，Experience the noise reduction effect of Xiaomi FlipBuds Pro。In an office with ambient noise of 48dB，Xiaomi noise-cancelling headphones Pro can completely isolate the office machine and the whistling sound of fans on multiple test platforms，Even the rumbling city noise outside the window disappeared。Apart from the slight keyboard typing，There will be no other noise interference。
The same is true when standing by the window，The traffic flow of the city expressway downstairs is huge，Will produce a lot of noise，But under the noise reduction effect of Xiaomi noise reduction headphones Pro，You can only hear the noise from the high-frequency part caused by friction between the tire and the ground.，The remaining low-frequency noises are eliminated perfectly。
also，The noise floor problems that active noise reduction headphones all have also exist on Xiaomi noise reduction headphones Pro，But the noise floor is not obvious，Only when noise reduction is turned on，It can only appear in extremely quiet environments。
——Transparent mode
Xiaomi FlipBuds Pro provides two transmissive modes，It is transparent and human voice。The transparent mode is similar to the familiar transparent mode，Can amplify the surrounding ambient sound，Ensure you can hear the sound of the surrounding environment while listening to music。Voice enhancement mode suppresses ambient noise，Highlighting voices，Make communication more convenient when wearing headphones。
Delay and call：Full-link delay is only 133ms, three-microphone noise reduction sound is clear
——Delay testing
How we use video shooting，Let's test the delay performance of Xiaomi FlipBuds Pro。Trigger sound in a quiet room，Record the time difference between triggering the sound and receiving the sound，That is the rough delay data of Xiaomi FlipBuds Pro。
When shooting videos，The audio sample rate is 44100Hz，The measured audio time is 5881Hz，Simple calculations to get，The full-link delay of Xiaomi noise-cancelling headphones Pro is about 133.36ms (high-speed photography of original materials，Error within 4ms)。This time is excellent for true wireless headphones，Users can respond in a timely manner even if they play music games。
——Call effect
Xiaomi noise-cancelling headphones Pro uses three-microphone radio，Collect human voice and ambient noise respectively，Separate and cross-process different sounds，To ensure that every word of voice calls is clear。
Comparing the recording results of mobile phone recording and Xiaomi noise-cancelling headphones Pro，The audio of Xiaomi noise-cancelling headphones Pro has excellent effect on suppressing ambient noise。
But perhaps it is because the noise suppression algorithm of the engineering firmware is too strong，The voice also seems a little smaller。Hope it is in the official version，Can improve。