NEW Graffiti Wireless Bluetooth 5.1 Headphones Deep Bass Earphones Noise Reduction Headphones HiFi Stereo Headsets with HD Mic

Product Specifications: Hign-concerned Chemical : None Material : PVC Maximum wireless range[m] : 1000cm-2000cm Sound Isolating : YES Category : Earphones & Headphones Charging Method : cable Bluetooth Version : 5.1 With Microphone : Yes Is wireless : Yes Support Memory Card : Yes Line Length : 1.2m Active Noise-Cancellation : Yes Volume Control : Yes Control Button : Yes Vocalism Principle : Dynamic Wireless Type : bluetooth Communication : WireLess Style : Over the Ear