Features: The earbuds realize 2-way real-time translation up to 97 percent accuracy in 144 languages Support BT pairing with mobile phone,and have the function of simultaneous interpretation after BT connection with touch mode or speaker mode. Multi-function touch control, can play music or conveniently answer or reject a call. Clear conversation with noise cancellation, up to 97 percent accuracy within 1 second. Equipped with charging indicator lights,you can know the state of the battery power anytime and can rechangre the charging case by USB connection to supply power for the earbuds. The earbuds are tiny and designed according to the shape of human auricle which enables you to wear for a long time without any discomfort or burden and can bring you with immersive music listening experience. Specifications: BT Version: BT 5.3 Battery Capacity: 5V or 1Ah Li-polymer button battery Charging Case: 5V or 1Ah Li-polymer battery Working Time: 4-6Hours Charging Interface: Type-C Packing list: 1 x Translate headphones 1 x User Manual 1 x USB charging cable 4 x Spare Ear Cap Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.