Vocalism Principle: Dynamic Control Button: Yes Active Noise-Cancellation: Yes Communication: Wireless Volume Control: Yes Sensitivity: 92dBdB Wireless Type: bluetooth Is wireless: Yes Max Output: 1000mW Line Length: 1Nonem Support APP: No Number Of Drivers: 2 Plug Type: Line Type Impedance Range: up to 32 Ω Connectors: USB Earcups Type: Semi-open Headphone Pads Material: Memory Foam Bluetooth Version: 5.0 Support Memory Card: Yes Driver Diameter: 40mm Resistance: 32ΩΩ Waterproof: Yes Frequency Response Range: 20 - 20000Hz Total Harmonic Distortion: 0.5% With Microphone: Yes Features: With Microphone Charging Method: CABLE Magnet Type: Neodymium Frequency: 2.40GHz-2.48GHz version: bluetooth V5.0 effective distance: about 15meters Playing time: >15hours,powered by rechargeable 400MAH battery MP3 mode: support SD card playing MP3
