XT11 sports magnetic Bluetooth earphone in ear wireless neckband headphones stereo music headset with mic for samrtphones

High-concerned chemical : None Material : Plastic Category : Earphones & Headphones With Microphone : Yes Active Noise-Cancellation : Yes Volume Control : Yes Control Button : Yes Vocalism Principle : Hybrid Technology Wireless Type : Bluetooth Communication : True wireless Style : Wired in-ear headphones Material : Plastic Category : Earphones Headphones Active Noise-Cancellation : Yes Volume Control : Yes Control Button : Yes Vocalism Principle : Hybrid technology Wireless Type : bluetooth Communication : True Wireless Style : Ear Hook Label:Yes