Brand Name: NoEnName_Null
Style: Ear Hook
Certification: NONE
Vocalism Principle: Dynamic
Origin: Mainland China
Control Button: No
Active Noise-Cancellation: No
Communication: Wired
Volume Control: No
Model Number: For Sennheiser HD202 HD212 HD437 HD447 HD457 HD477 HD497 Head beam
Brand Name: NoEnName_Null
Style: Ear Hook
Certification: NONE
Vocalism Principle: Dynamic
Origin: Mainland China
Control Button: No
Active Noise-Cancellation: No
Communication: WIRED
Volume Control: No
Model Number: For Sennheiser HD202 HD212 HD437 HD447 HD457 HD477 HD497 Head beam