Features:100% brand new and high qualityLightweight and Flexible: Silicone body provides a comfortable and snug fit for sleep rest and travel, noise isolating and light soft design makes you not feel them in ear even sleeping on the side, the earphones allow you to wear comfortably for 24 hours. Our earphones work well for white noise or other sleep apps to help to improve the speed of falling asleep and increase deep sleep. High-ClaritySound: Sleeping earphones are specially designed for bedtime, listening with noise reduction. Earphones are deigned with custom designed 6mm dynamic driver. Small Size: It fits to small ear canal comfortably even for side sleepers and the soft and flexible silicone ear house enable it to fit and stay in ear perfectly avoiding falling out. Built-in Microphone: Multifunctional button allows skip/play/pause/voice prompt on your music tracks as well as answer/end phone calls. Note: If there is no sound, try sliding the volume control key, because it is possible that the volume has been lowered. Noise Isolating Design: In-ear earplug design to effectively drown background noise, perfectly to block out snoring, living room TV sound, office noise, and it shelters your listening in a noisy environment. Package Includes:1PC Noise Cancelling Sleeping Headphone Specifications:Material: TPEColor: Black, WhiteNet Weight: 20g/0.04lbsHeadphone Type: In-ear HeadphonesWearing Method: In-earPlug Diameter: 3.5mmPlug Type: In-line TypeWhether Wireless Headset: Wired HeadsetWith or Without Microphone: YesSound Principle: Moving CoilFrequency Response Range: 20-20000 (hz)Impedance: 32 () ()Sensitivity: 100 (db) (db)Distortion Rate: 0.1 (%)Wire Length: 1.2 (m)Speaker Diameter: 6 (mm)Earplugs/earmuffs Material: Silicone CapHeadphone Cable Material: Pte note:Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.