Model: Lenovo LP40
Wearing Method: In-Ear
Bluetooth version 5.2
Wireless effective range: 10m
Auto Power On/Off
Compatible with Android, Windows and iOS 🤖
Microphone Sensitivity: 42DBV/Pa.
Battery Capacity: 30mAh (headphones), 300mAh (charging box)
Playing Time: 25Hrs (with charging case)
Charging time: 30min (headphone) / 90 min (with charging box)
Life level dustproof an Waterproof
Active Noice Cancelling
13mm dynamic driver for STEREO Sound, Bass Music with HD Mic 
Double Up Function of sensor
Battery Display
Ergonomic design and feather-light weight are both precisely designed and measured to make your ears fully comfortable.