FCS Pack of 6 Hearing Aid Domes Sleeve Earwear 3.0 compatible with Signia Cros Pure Charge & Go 3AX S/M/P with Signia Hearing Aids with Improved miniReceivers 3.0 and Eartips 3.0Product descriptionFCS new hearing aid domes EarWear 3.0- Designed for the comfortable and secure fit of your hearing aids in your ears Please check the list of compatible hearing aid in the description before buying. You can also contact us with model number of your hearing aid before buying. Compatible With Below Mentioned Model Signia Cros Pure Charge&Go AX Signia Cros Pure 312 AX Signia Motion Charge&Go 7X/5X/2X/1X P 7X/5X/2X/1X Signia Cros Pure Charge&Go 7AX S/M/P T 7AX S/M/P 5AX S/M/P T 5AX S/M/P 3AX S/M/P T 3AX S/M/P 2AX S/M/P 2AX S/M/P 1AX S/M/P T 1AX S/M/P Signia Cros Pure 312 7AX S/M/P 5AX S/M/P 3AX S/M/P 2AX S/M/P 1AX S/M/P . Better retention- The new design offers a reliable fit in your ear canal without the need for any additional equipment to hold the receiver in place in your ear canal.High wearing comfort- The soft noses of Eartip 3.0 enable a highly comfortable and secure fit of your hearing aids, even if you have a small ear canal.Improved usability- Eartips 3.0 and Sleeves 3.0 are easy for you to exchange to enable a continued optimal hearing experience.Please check the list of compatible hearing aid in the description before buying. You can also contact us with model number of your hearing aid before buying.