Wireless Technologies Hands Free Ear Bud Style Headset for Siemens A56, CF62, CF63 Sleek ear bud headset design fits snugly into the ear with a padded foam earpiece cover In-line microphone which reduces background noise & increases the volume of your voice Drive more safely with both hands on the wheel Has a miniature clip to keep the cord in place. Compatible with Siemens SX1, A55, C55, M55, S55, A56, C56, CT56, M56, S56, SL55, SL56, A60, MC60, C60, C61, C62, CF62, CF63, A65, SL65, SP65, C65, S65, SP65, S66, CT66, C75