
Bluetooth Phone APP Bte Digital Hearing Aid for The Ear Deaf Rechargeable Battery. Smart APP Programming: Adjust volume, modes, and frequency via Android/iOS app for DIY customization. Rechargeable Battery: Built-in rechargeable battery providing up to 20 hours of continuous working time. 16-Channel Digital Processing: Advanced digital signal processing with 16 channels for precise sound shaping. Bluetooth Connectivity: Direct Bluetooth connection to smartphones for seamless audio control and programming. Discreet RIC Design: Mini behind-the-ear design that is small, slim, and comfortable for daily wear. Noise Reduction Filter: Enhances listening comprehension by filtering background noise and protecting ears. Multi-Certification: Certified by ISO, RoHS, CE, and FDA for safety and quality assurance. OEM/ODM Service: Supports customized packaging, logo printing, and product design for brands.