- Brand Name: XIAOMI
- Style: In-ear
- Vocalism Principle: Other
- Origin: Mainland China
- Active Noise-Cancellation: Yes
- Material: Plastic
- Control Button: No
- Communication: True Wireless
- Volume Control: No
- Category: Earphones & Headphones
- Certification: NONE
- Plug Type: NONE
- Impedance Range: up to 32 Ω
- Waterproof: Yes
- Wireless Type: bluetooth
- Package List: Charging case,User Manual,Charging Cable,Replaceable Pads Set
- Is wireless: Yes
- Bluetooth Version: Other
- Charging Method: Charging case
- Function: Sport,for Video Game,HiFi Headphone,For Mobile Phone,Common Headphone
- With Microphone: Yes
- Features: waterproof,With Microphone,Active Noice Cancelling
- Bluetooth: 5.2
- Model: Redmi Buds 4
Model ———————- Redmi Buds 4 (M2137E1)
Weight ———————Single earbuds(4.5g) / total:(49g)
Charge Port—————-USB Type-C
Size————————-18.4*21.9*24.6mm(single earbuds) / 48.6*64.9*26.2mm (charging box)
Wireless Connect———-Bluetooth 5.2
*In Barrier-free open environment
Earphones Battery Life –6h ANC OFF (Earbuds)/30h ANC OFF (With Charging Case)
Package Content————Redmi Buds 4 x 1 pair / Charging Case x 1 / Manual x 1 / Type-C Charging Cable x 1 / Earplugs x 3 pairs(S/M/L, M already installed)
Redmi Buds 4
A true wireless earphone with active noise cancellation
35dB active noise cancellation
3 modes avaiable for ANC
Dual-mic call noise cancellation
10mm dynamic driver
30h long battery life max
One-click to turn on active noise cancellation
Maximum depth up to 35dB. Whether it is a noisy outdoor or a bus or subway with noisy people, you can turn on Do Not Disturb with one button, allowing you to enjoy the beautiful music anytime, anywhere.
Three level adaptive noise reduction
Using the AI intelligent algorithm, it can actively adjust according to the noise level of the environment, switch different noise reduction depths for you, and make the noise reduction experience more comfortable.
Dual-mic AI call noise reduction
The artificial intelligence AI voice algorithm can accurately identify human voice and environmental noise, and can accurately pick up the voice even if you are talking in a noisy environment.
Dual transparency mode
Want to switch freely between music mode and chat mode? Long press to enter transparent mode, and you can talk to your friends while wearing headphones.
Superior sound quality
The 10mm large-sized moving coil unit can make people’s voice more pleasant, the low frequency is fuller, and the treble is clearer. Choose a high-quality diaphragm as thin as 0.006mm to restore more details to your favorite music.
Xiaomi Acoustic Custom Tuning
According to the headphone structure and acoustic principles, the detailed mixing and joint tuning is carried out to create a more professional frequency response curve.
Up to 30 hours long battery life
A single battery life of up to 6 hours, with the charging case, the battery life of up to 30 hours. (turn off ANC)
Bluetooth™ 5.2 for lower gaming latency
Hear changes faster and react faster to help you win the game.
MIUI Quick Connect
Open the case cover and connect with your xiaomi phone.
Sensitive touch operations
Double tap, hold, or triple tap to switch between modes — simple, convenient and efficient.
Dust and water-resistance for daily use
Expertly designed with IP54 dust and water-resistance. Enjoy extraodinary performance in a range of settings, from your daily commute to your time in the gym.
And more useful features
Take off the headset to automatically pause, put on the headset to continue listening seamlessly.
When within range of a Bluetooth connection, the headset can be found through the phone.
One-click reconnect to bluetooth devices.