Main Features for B30 P/ B30 UP:

Nano coating material, protect from moisture, sweat

Multi Channels digital signal processing technology, output better quality sound

Different Hearing Programs, meet different requirements

Germany Digital Intelligent Chip, reduce noise automatically

Feedback Compression System, Prevent from howling sound Better

B30 P for Moderate to Severe Hearing Loss Less than≤100db

B30 UP for severe profound loss less than≤110db

B30-R for Moderate to Severe Hearing Loss Less than≤100db

B50-R P for Moderate to Severe Hearing Loss Less than≤100db

B30 P Powered by Zinc Air Battery a13

B30 UP Powered by Zinc Air Battery a675

B30-R (2 hours of charging, 18 hours of use)

B50-R (2 hours of charging, 18 hours of use)

B30 UP Size: 4.5 x 0.9 cm, weight only 4g