Xiaomi Redmi Buds 4 Earphone BHR7335GL - Black

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 Operating time: 6 hours, up to 30 hours with the earphone case Connection: Wireless