Item Type: Audiometer Headband_x000D_ Material: ABS_x000D_ Applications: Suitable for two core, three core bone conduction earphones and most brands of audiometer bone conduction earphone 1Suitable for two core, three core bone conduction earphones and most brands of audiometer bone conduction earphone. 2Accessories of audiometer bone conduction earphone, easy to replace, ensure continuous use and long service time. 3High strength frame design, bending resistant and not easy to damage when extrusion. 4ABS material is environmental, safe, odorless, non?toxic and harmless ensure durable and comfortable wearing. 5Easy and convenient for installation and disassemble, reliable and durable to use.1 x Audiometer Headband