Xiaomi Redmi Buds 4 earphone - white

Specifications: Battery type: Lithium-ion polymer battery Bluetooth version: 5.2 Bluetooth distance: 10 meters Microphone: Yes Answering and rejecting calls: Yes Features: Active noise cancellation (ANC) Charging port: USB-C Playback time: 6 hours, up to 30 hours with the headset case Connection: Wireless