High-concerned chemical : None<br>Material : PVC,ABS,Plastic<br>Voice assistant built-in : No<br>Maximum wireless range[m] : 60m-70m<br>NFC Technology : No<br>Sound Isolating : Yes<br>Category : Earphones & Headphones<br>Charging Method : cable<br>Headphone Pads Material : Memory Foam<br>Magnet Type : Other<br>Bluetooth Version : 5.0<br>Package List : User Manual<br>Features : Waterproof,With microphone<br>With Microphone : Yes<br>Is wireless : Yes<br>Support APP : No<br>Waterproof : Yes<br>Plug Type : None<br>Function : Common Headphone<br>Active Noise-Cancellation : Yes<br>Volume Control : Yes<br>Control Button : Yes<br>Vocalism Principle : Dynamic<br>Wireless Type : RF<br>Connectors : USB<br>Communication : WireLess<br>Style : Ear Hook<br>Origin : Mainland China<br>Brand Name : centechia<br>Support Memory Card : Yes<br>Transmission range : 10 meters<br>Material : Plastic<br>compatible protocol : 5.3<br>Purpose : Headworn<br>Colors : black light blue<br>Type 1 : bluetooth-compatible Earphone Headphones<br>Type 2 : Folding Earphones bluetooth-compatible Earphone<br>Type 3 : Headphones Folding Earphones<br>Feature 1 : Long Battery Life Top-rated Listening Pleasure<br>Feature 2 : Compatible With Various Devices Unmatched Convenience<br>Feature 3 : Crystal-clear Sound Trendy Wireless Headphones<br>Feature 4 : Excellent Sound Quality Revolutionary Audio Experience<br>Feature 5 : Foldable Design For Easy Storage Cutting-edge Technology<br>