QKZ ZXT Sports In-ear Wired Control Plug HIFI Stereo Stage Monitor Earphone, Style:Standard Version(Transparent Grey) Tag-Working Mat when the doorbell automatically detects

when the doorbell automatically detects a guest

One Package Size 11cm * 7cm * 3

ONVIF:Yes ( ONVIF 2

PAD and other tablet devices

General Compatible with Xiaomi:  Buds 4

QKZ ZXT Sports In-ear Wired Control Plug HIFI Stereo Stage Monitor Earphone, Style:Standard Version(Transparent Grey) Tag-Working Mat when the doorbell automatically detectsFeature: 1. Stylish appearance, outstanding bass, high cost performance, stylish appearance and color matching 2. You can wear it comfortably without pain due to the ergonomic in ear design. 3. High resilience spiral wire, reliable and durable, preventing wire tangling 4. Oxygen free copper core wire, highly restored sound quality, original, detachable Cable 5. Sound presentation, passive noise reduction 6. High resolution, release double power 7. HD