Product Name: Inateck BCST-70 (Gray Color) • Compatible with 1D barcodes (Code 128, EAN-13, UPC-A, etc.). It is explicitly stated that 2D codes (QR codes, etc.) are not supported. • Connection methods: Both Bluetooth (HID/SPP mode) and USB wired connection are supported. • Working distance (when connected via Bluetooth): Up to approximately 35-50m without obstruction, with a claimed effective range of over 1000㎡. • Shock-resistant design: Covered with TPU rubber, with specifications that consider drop protection. • Supported OS: iOS/Android/Windows/Mac/Linux/Raspberry Pi, etc.