Specifications: The use of large-capacity rechargeable battery enables the earphone to have a long battery life. And the earphone uses ergonomic in-ear design, which provides you with long-term comfortable and stable wearing experience.You can summon the voice assistant, switch up and down songs, increase and decrease volume, play, pause, dial, answer, and reject calls with one key as the earphone has touch operation function.It is made of high-quality plastic and metal materials, which is solid and portable.The length of the product is 6.4cm, the width is 3.5cm and the height is 3.5cm.The voice assistant can be summoned by pressing and holding the headset for about 3 seconds. Monaural and binaural can be switched arbitrarily. And it is suitable for Android mobile phones and for iPhone, desktop computers, laptops and other digital devices with Bluetooth-compatible.Size Details: Notes: 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.Package Includes: 1 Pair of Bluetooth-compatible Earphones 1 x Charging Box 1 x Charging Cable 1 x User Manual