CYMYFLYY Digital Hearing Amplifier Instruction Guide
CYMYFLYY CYMYFLYY Digital Hearing Amplifier Specifications PACKAGE DIMENSIONS: 83 x 3.7 x 1.85 inches; 5.29 Ounces CHARGER: DC 5V/50mA-1A QUANTITY: 1 count CHARGING TIME: 3-4 hours MAX SOUND OUTPUT: 129±4dB SOUND GAIN: 38±5dB FREQUENCY RANGE: 400Hz-3800Hz INPUT NOISE: ≤28dB VOLTAGE:C.3.7V…