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: Supports both Bluetooth (HID/SPP mode) and USB wired connection. • Working Distance (when connected via Bluetooth): Up to approximately 35-50m without obstruction, with a claimed effective range of over 1000㎡. • Shockproof Design: Covered with TPU rubber, designed to withstand drops. • Supported OS: iOS / Android / Windows / Mac / Linux / Raspberry Pi, etc.