Features： 1、WIDELY COMPATIBLE: Bone conduction earphone headband suitable for 2 pin, 3 pin bone conduction earphone and sound aid and most brands audiometer bone conduction earphone. 2、EASY INSTALLATION: Audiometer headband is easy and convenient installation, easy to replace and disassemble, ensure continuous use and long service time. 3、SOUND AID HEABAND: Attach sound aids or audiometer to the headband to prevent them from falling or losing. It is suitable on the hair and has a good fixing effect. 4、GOOD TRANSMISSION: Headband clip of audiometer bone conduction earphone, be used to transmit voice by bone conductor, which with good sound transmission. 5、 MATERIAL: Made of stainless steel material, which is environmentally friendly, safe, odorless, and ensures durable and comfortable wearing experience. Specification： Item Type: Bone Conduction Earphone Headband Material: Stainless steel Product Application: Bone conduction sound aids audiometer bone conduction headset special head clamp shelf clip for bone conduction sound aids or audiometer bone conduction headset, for 2 pin, 3 pin bone conduction earphone and most brands audiometer bone conduction earphone. Package List： 1 x Bone Conduction Earphone Headband