Telephone Headset Telephone Headset RJ9 Earphone with 330° Adjustable Microphone for Home and Call Center Landline Phone

Good luck with your favorite purchasesHign-concerned Chemical : None Material : Plastic Category : Earphones & Headphones Features : With microphone,Active Noice Cancelling With Microphone : Yes Is wireless : No Support APP : No Waterproof : No Function : For Office Active Noise-Cancellation : No Volume Control : No Control Button : No Vocalism Principle : Other Wireless Type : None Communication : Wired Style : Headphone Certification : None Origin : Mainland China Brand Name : VBESTLIFE Item Type : Headphone Material : ABS, Metal Frequency Response : 20-20khz Sensitivity : 125db Maximum Input Power : 10MW Plug : RJ9 Crystal Head Length : Approx. 1.2m/3.93ft How to Use : Plug and play Package List : 1 x Headphone