Wireless Bluetooth 4.0 Headphone, Single In-Ear HD Stereo Hands-Free Headphone, Built-in Mic Sports Earphone The pair of Bluetooth headset delivers high performance and remarkable sound for your cell phone. It allows you to have clear sound transmission without ambient noise and to keep incoming communication private. You can use it to answer the phone and chat with your friends.Specifications Material: plastic and electric component Bluetooth Version: Bluetooth 4.0 Size: mini size. Season: all seasons. Pattern: solid color. Type: in-ear.Notes 1.Please understand there may be mild deviation exist. 2.Due to the lighting and monitors, there are slight differences between the picture and the realitem.Package Content 1 * Bluetooth V4.0 headphone(only one).Promise If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.