Specifications:

• Active Noise-Cancellation: Yes
• Brand Name: TOPK
• Category: Earphones & Headphones
• Communication: Wired
• Control Button: Yes
• Hign-concerned Chemical: None
• Material: PVC
• Origin: Mainland China
• Style: Wired in-ear headphones
• Topk Model: F22
• Vocalism Principle: Dynamic
• Volume Control: Yes
• Wireless Type: bluetooth