Lenovo TC02 Wireless Bluetooth Headset Similar To Xiaomi Aird Ots

brand:lenovo
Model: TC02
Bluetooth version :V5.0
The connection distance:10m
Headset frequency :20 ~ 20K Hz
Microphone failure ±1db cash register power: 400000
Ears: 55 mah
Color: black, white
Weight of one ear: 3.6g
Headphone case size: 70*44* 29.5mm
Total weight: 40.8g
Single earphone mode: pull out one earphone and connect it to a double earphone mode: pull out two earphones and connect it to a separate earphone mode: pull out two earphones and connect it to two different devices