Brand Name: TOPK Vocalism Principle: Dynamic Control Button: Yes Active Noise-Cancellation: No Communication: Wired Volume Control: Yes Style: In-Ear Sensitivity: 100DBdB Wireless Type: None Is wireless: No Line Length: 1.2mm Support APP: No Function: For Mobile Phone Function: For Internet Bar Function: for Video Game Function: Monitor Headphone Function: HiFi Headphone Function: Sport Function: Common Headphone Plug Type: Line Type Connectors: 3.5mm Model Number: T02 Support Memory Card: No Resistance: 32ΩΩ Waterproof: No With Microphone: Yes Color: Gray / Red / Sliver Cable Length: Approx. 1.2m / 3.93ft