Rechargeable and instant fit ITC hearing aids. Cadenza Q series（Q10 /Q8/Q6/Q4/Q2）are rechargeable hearing aids that adopts digital processing technology to amplify sound signals and automatically eliminates sound feedback. It is suitable for patients with sensorineural, conductive and mixed hearing loss with hearing loss ≤80dBHL. It is easy to wear and operate. Two types of earplugs (closed and open) are available. It has a full-frequency intelligent noise processing system, which can be worn in different working and living environments. From Q2 to Q10, it provides 6dB to 12dB different noise processing capabilities.VC and button controls can be selected to realize different functions (volume, program, sleep) according to different time (1S, 2S, 5S).