Invisible Sleep Wireless Earphone TWS Bluetooth 5.3 Headphones Noise Cancelling Sense-Free Micro Sleep Earbuds for Better Sleep

High-concerned chemical : None Material : Plastic Category : Earphones & Headphones Function : Sport Active Noise-Cancellation : Yes Volume Control : No Control Button : No Vocalism Principle : Electrostatic Wireless Type : Bluetooth Communication : WireLess Style : Wireless headphone & headset Origin : Mainland China Brand Name : Shunmaii Origin : Mainland China Material : ABS Model : X55 Chip : Jerry 6973 Working distance : 10m Charging port : Type-C Whether single or double ear : bilateral stereo Speaker : 13mm Charging compartment battery capacity : 200 mAh Battery life : 3-4H