New Handsfree with Mic Silica Gel Single Ear-hook Bluetooth Headset Earphone Button

High-concerned chemical : None Material : Plastic Category : Earphones & Headphones Active Noise-Cancellation : No Volume Control : Yes Control Button : No Vocalism Principle : Electrostatic Communication : WireLess Style : Wired in-ear headphones Origin : Mainland China Brand Name : okdeals