Brand Name: NONE Style: Wired in-ear headphones Vocalism Principle: Dynamic Origin: Mainland China Material: Plastic High-concerned chemical: none Communication: Wired Volume Control: Yes Category: Earphones & Headphones Impedance Range: up to 32 Ω Active Noise-Cancellation: No Wireless Type: Bluetooth Control Button: Yes Is wireless: Yes Bluetooth Version: 5.0 Choice: yes