说明

• Main Features for B30 P/ B30 UP: Nano coating material, protect from moisture, sweat Multi Channels digital signal processing technology, output larger quality sound Different Hearing Programs, meet various requirements Germany Digital Intelligent Chip, cut noise mechanically 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 much less than≤110db B30 P Powered by means of Zinc Air Battery a13 B30 UP Powered by way of Zinc Air Battery a675 B30 P Size: 3 x zero cm, weight solely 4g B30 UP Size: four x 0 cm, weight only 4g

• 
• 
• 
• 
• 

审核