Brand Name: CATASSU Style: Headphone Vocalism Principle: Dynamic Active Noise-Cancellation: Yes Material: Plastic Control Button: Yes Communication: WireLess Volume Control: Yes Category: Earphones & Headphones Number Of Drivers: 2 Plug Type: Line Type Impedance Range: up to 32 Ω Headphone Pads Material: Memory Foam Sound Isolating: YES Support Memory Card: Yes Waterproof: Yes Frequency Response Range: 20 - 20000 Magnet Type: Neodymium Voice assistant built-in: YES Wireless Type: bluetooth Line Length: 1None Package List: User Manual Package List: Charging Cable Height[mm]: 180 Width[mm]: 80 Driver Diameter: 40 Resistance: 32Ω Depth[mm]: 170 Sensitivity: 92dB Is wireless: Yes Weight[g]: 165 NFC Technology: YES Connectors: USB Earcups Type: Sealed Bluetooth Version: 5.0 Battery life up to[hours]: 20 Total Harmonic Distortion: 0.5 Charging Method: cable Max Output: 128 Support APP: No Function: Monitor Headphone Function: for Video Game Function: Common Headphone Function: For Mobile Phone Function: HiFi Headphone Function: Sport Function: Kids' Headphones Function: For Outdoor Function: For Office Function: For Study Battery Capacity[mAh]: 400 Maximum wireless range[m]: <10m With Microphone: Yes Features: With Microphone Frequency: 2.40GHz-2.48GHz version: bluetooth V5.0 effective distance: about 15meters Support system: Mobile Phone,Computer TV all have bluetooth function color: red,blue,orange,pink,green,black... Playing time: >15hours,powered by rechargeable 400MAH battery charge time: about 3hours Speaker: high quality 40 mm diameter speaker MP3 mode: support SD card playing MP3