Features: brand new and high quality Earphone beam enhance the fidelity of the audio and provide a more clear sound. Easy to install and remove without any tools and easy to use. Good replacement for old / damaged / cracked / damaged / bad headband covers. Headphones for head beam fit for Edifier W820BT W828NB earphones. Soft and elastic earphone beam fit everyone's ears and effectively isolate noise from the outside environment. for Head beam only, not including other accessory demos in pictures! Specifications: Material: Sponge Color:Black,Gray,Red(Optional) Length:17.5cm/6.89in for: Edifier W820BT W828NB Package Includes: 1x for Head Beam note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.