20 White Noise Sleeping Headphones Bluetooth5.2 Sleep Mask Breathable Soft 100% Blackout Eye Mask Microphone Call for Sleeping

High-concerned chemical : None Material : Plastic Weight[g] : 100 Battery Capacity[mAh] : 180 Battery life up to[hours] : 10 Maximum wireless range[m] : 10m-20m NFC Technology : No Category : Earphones & Headphones Charging Method : cable Driver Diameter : 30mm Impedance Range : up to 32 Ω Bluetooth Version : 5.2 Package List : Charging Cable Features : With microphone With Microphone : Yes Is wireless : Yes Support APP : No Waterproof : No Line Length : Nonem Function : For Mobile Phone,HiFi Headphone Active Noise-Cancellation : No Volume Control : Yes Control Button : Yes Vocalism Principle : Dynamic Wireless Type : Bluetooth Connectors : None Communication : WireLess Style : Wired in-ear headphones Certification : None Origin : Mainland China Brand Name : JINSERTA Resistance : 30 Support Memory Card : No Model : JS-7499 Material : fabric