How About the Difference: 1.About 1D: advanced CCD sensor, easily capture 1D barcode directly from computer screen, mobile phone or on paper.Support instant upload and storage mode two types use modes, Add custom prefix/suffix digits, Hide front and back character, add keyboard keys (CR, LF, TAB, CR&LF, etc.) to the scanning operation and so on. 2. About 2D: Equipped with CMOS sensor, which can easily capture 1D/ 2D（QR/ PDF417/ Data Matrix）ID bar codes from paper and screen, effectively compensate for the problem that laser scanner can not identify screen code or glass surfaces, plastic shrink wrap. Feature List： 【Upgraded for Easy to Use】 1. Long press the scanning button for 3-4 seconds to turn on, Long press the volume + button for 5-6 seconds to turn off 2. Add the volume +/- button to adjust the volume according to your environment. 【Mini Pocket Barcode Scanner】 Super light only 80g/2.82oz, and mini size. The included wristlet keeps it from slipping away from your grasp. 【3 Connection Ways & 3 Scanning Mode】 1. freely change the connection from bluetooth, 2.4G wireless and USB wired modes. 2. Easily compatible with laptop, PC, tablet, iPhone and iPad, perfectly work with windows xp/7/8/10, Mac OS, Linux. 3. Key trigger mode + Auto-sensing mode +Continous mode. 【1500mAh High Capacity Rechargeable Battery】 Built-in 1500mAh rechargeable battery, can continuously scannning for 16 Hours after fully charged, standby time up to 720 hours, and charging takes only 4 hours.LED power indicator 【Special Functions】 1. with advanced CCD sensor, easily capture 1D barcode directly from computer screen, mobile phone or on paper. 2. Support instant upload and storage mode two types use modes, Add custom prefix/suffix digits, Hide front and back character, add keyboard keys (CR, LF, TAB, CR&LF, etc.) to the scanning operation and so on.