The barcode scanner is equipped with an advanced CMOS sensor, which can easily and effectively collect 1D/2D (QR/PDF417/data matrix, etc.) barcodes from paper and screens (such as computer monitors, smartphones or tablets) to make up for the inability of the scanner Identify the problem with the screen code. Scope of application: XP/7/8/10, OS, Mobile, Android OS, iOS The pocket barcode scanner adopts a three-in-one connection design: compatible with Bluetooth function; 2.4G wireless connection receiver; wired connection. Easily connect your laptop, PC, mobile phone, tablet, , , POS. Manual scanning and automatic sensor scanning and continuous scanning. The 1200mAh battery can 20 hours of continuous hands-free scanning without pressing buttons, which improves efficiency. Charging time: about 3 hours Colour: black + red Material: ABS Package Contents: 1 x scanner 1 x receiver 1 x Data cable 1 x Hanging neck strap 1 x Chinese and English manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.