A4 B20 TWS EARBUDS GRAY - B20 GRAY

Overview

Vendor_url:https://www.a4tech.com/product.aspx?tid=42&id=312 Manufacturer:A4Tech Model:B20 Type:Wireless Frequency:20 Hz-20 kHz Specifications:Speaker Size: 13 mm;Earphone Sensitivity: 102 dB @ -10 dBFS;Mic. Sensitivity: -42 dB @1 kHz/Pa;Bluetooth V...