Nuevo amplificador de sonido para audífonos digitales invisibles en el oído AN127 Venta caliente transfronteriza de audífonos

1. Factory direct supply, small profits but quick turnover, factory visit is available by appointment. 2. Product manual is in English, with FDA/CE certification. 3. Product supports OEM/ODM cooperation, drop shipping. 4. Product online quotation is tax-exclusive, please consult customer service for large quantity discount. 5. Products are only supplied to purchasing customers of cross-border e-commerce platforms and cross-border foreign trade companies, domestic customers should be cautious. Product parameters: 1.Max sound out put:122+/- 3dB 2.Sound gain:>= 28dB+/- 2dB 3.Total harmonic wave distortion:<= 3% 4.Frequency range:300-4800MHz 5.Input Noise:<=26dB 6.Voltage:d.c.1.4V 7.Current:<=1.2mA 8. By A10 battery For 5~7 days using Accessories list: Host x1 Earplugs x6 Brush x1 Manual x1 A10 battery x2 Cerumen stick x1 Small screwdriver x1 Product size (length x width x height cm) 2x1x1.5cm Product packaging size (length x width x height cm) 12x9x3.5cm Product net weight (g) 2g Product gross weight (g) 65g