Open the APP, click "Connect" on the right side to enter the BT settings of the phone, and find your BT and pair it, and then return to the VTrans main interface after paired. (Please ignore this step if you have connected this earphones before). VTrans provides three translation modes with different application scenarios A: Simultaneous Mode (one person wears one earphone): Select the language, click the start talking button. The device automatically recognize the language of both parties, and broadcast it after translation. B: Speaker Mode (mobile phone to earphone): First, set the corresponding languages,double-click the earphone touch area and speak, and the mobile phone displays the translation result and broadcasts it; Tap the phone to start talking, The headphones broadcast the translation result. C: Touch mode (one person wears one earphone), both parties wear headphones, and select the corresponding language. Double-click the touch area of the earphone to start speaking, and be automatically recognized after , and the headset broadcast the translation result. "My" module: Set the system language Operation instructions of the APP Basic settings and function selection. Operation Instruction Power on 1.Open the charging case, and the earphones turn on automatically. 2.Touch for 3 seconds to power on IOS and Android systems connect the earphones Turn on the BT of the mobile phone, search VTrans for the BT device. For the first time, you need to manually connect the device. Color: Black Material: plastic+metal Package Contents: 2 x Translator Earphone 1 x Charging case 1 x Charging cable 1 x Translation software manual 1 x English instruction manual 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.