The NIDIO wireless earphones are housed in a convenient, small case that also serves as a charging station. They are characterized by very good sound quality and elegant appearance. They are equipped with a docking station with a capacity of 200 mAh, which is used for convenient storage and charging of headphones. Both earphones have a multi-functional touch button that can be used to pause, rewind, and answer / end calls. The battery capacity of each earphoe is 30 mAh, which allows you to listen to music for about 3 hours. The earphones have a built-in microphone, which allows you to make calls. Specifications: bluetooth version: 5.1, standby time approx. 500 hours.