simultaneous interpretation,Real-time simultaneous interpretation in multiple scenarios opens a of free communication. The "real-time simultaneous interpretation in multiple scenarios" function of Bluetooth translation headphones is strongly, removing this barrier and allowing communication to be free Photo translation,Translate with one click to make the world clear and readable. Just the shutter lightly, and the Bluetooth translation headset provide you with clear and accurate translation voice call,Real-time voice call translation, connecting the world without boundaries When you initiate a voice call with a foreign friend, just turn on the real-time voice call translation function of the Bluetooth translation headset, it's like having a dedicated translator Touch mode,In "touch mode", one person wears one headset and clicks on the headset for real-time translation.Suitable for scenarios where acquaintances are willing to wear your headphones Supports all apps, such as email, memo, etc. Click on the text input box and then and hold the control button of the headset compartment, aim at the phone and say what you want to enter, release it after you speaking, and the text appear immediately Product Model:Ai Earphone T19 Bluetooth version: 5.4 Charging compartment battery capacity: 300mAh Headphone battery capacity: 50mAh Transmission radius: 10 meters Music playback: about 4 hours (60percent volume) Talk time: about 4 hours (60percent volume) Charging port: Type-C Charging input standard: DC5V or 300mA Charging time: about 2 hours The product appearance and printed words depending on the batch, but this does not affect use. Colour:As Shown Material:plastic Package Contents: 1 x Earphone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.