Brand Name: Acinaci Style: Wired headphone & headset Vocalism Principle: Balanced Armature Origin: Mainland China Material: ABS High-concerned chemical: None Communication: Wired 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 Active Noise-Cancellation: Yes Sound Isolating: Yes Waterproof: No Frequency Response Range: 20 - 20000 Voice assistant built-in: No Wireless Type: Bluetooth Line Length: 1 Package List: User Manual Height[mm]: 20 Control Button: Yes Width[mm]: 11 Driver Diameter: 50 Depth[mm]: 22 Weight[g]: 440 NFC Technology: No Connectors: USB Bluetooth Version: 5.3 Battery life up to[hours]: 36 Charging Method: cable Support Memory Card: No Support APP: No Battery Capacity[mAh]: 1000 With Microphone: Yes Choice: yes