Features:_x000D_Ergonomic Design: The earplugs are designed according to the shape of the ear, very mini design style, very lightweight, fit the earhook firmly, suitable for long-term wearing without causing discomfort to the ear._x000D_EASY TO USE: These earbuds for work are super easy to use. Built-in microphone, no need to take out your phone, just touch your finger, you can easily switch to pause music, answer calls, reject calls or track music. Everything is getting easier and easier._x000D_Dual Noise Reduction Technology: Excellent physical noise reduction combined with acoustic noise reduction technology, you can enjoy a quiet sleeping time with the sleep earbuds. _x000D_Specially designed for sleep: Ultra-miniature earbud body design, if you like to sleep with earplugs and don39;t like the feeling of foreign objects in your ears when you sleep on your side, then these sleep earplugs are your best choice. _x000D_Premium Sound Quality: These sleep earbuds bring you high-quality audios enjoyment. Stereo surround sound effect, immersive music enjoyment. The perfect sleep companion. _x000D_ _x000D_ _x000D_Notice:_x000D_1.Actual color may be slightly different from the image due to different light effect_x000D_2.Please allow 1-3cm deviation due to manual measurement_x000D__x000D_Transmission distance: 10 meters obstacle-free_x000D_Charging interface: micro fast charging_x000D_Wearing method: semi-in-ear wearing style_x000D_Charging time: about 60 minutes_x000D_Standby time: about 480 hours_x000D_Product color: black/white/skin color_x000D__x000D_Package List:_x000D_1 set x Bluetooth-Compatible Earphone