Xiaomi Redmi Buds 3 Pro Headset True Wireless Stereo In-ear Calls/Music Glacier 35dB deep noise cancellation Allowing you to enjoy a world with less background noise The earbuds adopt the dual active noise cancellation technology with feedback and feed-forward microphones. They effectively cancel ambient noise and reduce excess noise in the ear canal. Noise cancellation can be as deep as 35dB. Deep noise cancellation Metro, aeroplane When travelling by metro or aeroplane, it effectively cancels engine roaring and other vibration noises inside the car/cabin, making your trip quiet and comfortable. Balanced noise cancellation Coffee shops, parks When taking a rest in a coffee shop, it effectively cancels surrounding noises, allowing you to enjoy your quiet afternoon moments. Light noise cancellation Libraries, offices In relatively quiet environments such as libraries and offices, it lowers surrounding noises, allowing you to enjoy some me time. AI scene judgement knows your ears better The AI algorithm judges the scene based on ambient noise level and usage habits. Adjust the noise cancellation depth for different environments. Three-microphone call noise cancellation Can be heard clearly in noisy environments The three microphones, together with the call noise cancellation algorithm enabled through the neural network model, can accurately pick up people's voices while effectively reducing background ambient noises. This allows for clear conversations without interference in noisy environments. Dual transparency mode Hear ambient sounds without having to take out the earbuds When transparency mode is turned on, you can still hear ambient sounds without having to take out the earbuds. Switch to enhance voice mode for clearer voice. You can have a relaxed conversation with your friend with your earphones on. 9 mm composite vibrating diaphragm coil Recovers more sound details 9 mm composite vibrating diaphragm coil provides you with an excellent audio experience. After being tuned by a professional from Xiaomi’s internal sound lab, a high-pitched sound is clear and not distorted while a low-pitched sound is rich and pure with more refined sound quality. 28-hour ultra-long battery life Continue to enjoy your music With a built-in low-power chip, the earbuds can operate up to 6 hours for a single charge. With the assistance of a charging case, the earbuds can operate up to 28 hours. Thus, you can enjoy music for hours on end. Supports fast charging Supports wireless charging With fast charging, the earphones can charge for just 10 minutes and then allow you to listen to music for up to 3 hours. If the battery is running low, take a short break and let it power up. The charging case also supports Qi wireless charging, making charging super convenient. Capable of connecting to two devices simultaneously Smart switching between entertainment and work The same set of earbuds can be connected to two devices crossing platforms such as Android, iOS, and Windows simultaneously, allowing you to easily switch between entertainment and work. Pairs with Bluetooth through opening the earbud box near your phone or by quickly clicking the pop-up window which enables you to enjoy the new fast connection method. Tap twice to answer the call Touch the rear of the earbuds for controls including switching modes, music pause and playback etc. Also supports the wake-up voice control feature. In-ear detection Music can be automatically paused when the earbuds are taken out. Music playback can be resumed when they are put back on. IPX4 water resistant All-round splash resistant, protecting users from sweat and splash. Find your earphones Within the range of Bluetooth connectivity, you can locate your earbuds by sound. Ports & interfaces Connectivity technology: True Wireless Stereo (TWS) Bluetooth: Yes Bluetooth version: 5.2 Wireless range: 10 m Weight & dimensions Width: 25.4 mm Depth: 20.3 mm Height: 21.3 mm Left earpiece weight: 4.9 g Right earpiece weight: 4.9 g Charging case dimensions (W x D x H): 65 x 48 x 26 mm Charging case weight: 55 g Packaging data Package type: Box Microphone Microphone type: Built-in Number of microphones: 3 Microphone noise-canceling: Yes Headphones Ear coupling: Intraaural Acoustic system: Closed Impedance: 32 Ω Driver unit: 9 mm Packaging content Charging case: Yes Charging case capacity: 470 mAh Charging case type: Wired Charging case connector type: USB Type-C Quick start guide: Yes Cables included: USB Type-C Battery Battery operated: Yes Right earpiece battery capacity: 35 mAh Left earpiece battery capacity: 35 mAh Continuous audio playback time: 6 h Battery recharge time (charging case): 2.5 h Battery charge indicator: Yes Battery recharge time: 1 h Fast charging: Yes Fast charging time: 10 min Standby time: 28 h Performance Product type: Headset Wearing style: In-ear Recommended usage: Calls/Music Product colour: Grey Headset type: Binaural Colour name: Glacier Gray Plug and Play: Yes Note: Never Used - Like new condition - Comes in a non-retail packaging Packaging contains only Redmi Buds 3 Pro, charging cable and manual.