Xiaomi Redmi AirDots In Ear Bluetooth 5.0 Charging Earphone Wireless Bass Stereo Earphones With Mic Handsfree Earbuds AI ControlBrand Name: Xiaomi Vocalism Principle: Dynamic Control Button: Yes Active Noise Cancellation: Yes Communication: Wireless Volume Control: No Sensitivity: 1043dBdB Is wireless: Yes Line Length: Nonem Support APP: No Function: For Mobile Phone Function: Sport Connectors: None Model Number: TWSEJ04LS Support Memory Card: No Resistance: 32 Waterproof: No With Microphone: Yes Working Time: 4 Hours Working Time with battery Case: 12 Hours Accurate Xiaomi