Barcode Scanner with Retractable Phone Back Clip Design:It is only 15.5mm thick and comfortable to hold. The bottom retractable bracket can clamp mobile phones with a length of 147-181mm(5.8-7.1in). It can also be used alone. BT&2.4G&USB 3in1 Connections: It can support USB wired connection and wireless connection(2.4G wireless or bt). You can easily connect with your PC, phone, tablet. Work with Windows XP/7/8/10, Mac OS, Android OS. Support HID, SPP and so on. Large Rechargeable Battery&Long Transmission Rang: Built-in 1500mah battery, it has long standby time. No wires, BT transmission distance up to 15 meters. (without barriers, more convenient.) High Performance Chip: Super decoding capability of scaning paper code. Available to set the time of sleep mode. Stores barcodes more than 50000pcs off-line scanning. Decode Capability: Smoothly scan and decode 1D (Code 11, Code93, MSI, Code 128, UCC/EAN-128,Code 39,EAN-8, EAN-13, UPC-A, ISBN, Industrial 25,Interleaved 25, Standard 25,2/5 Matrix,etc.); 2D (QR, DataMatrix,PDF41, Aztec, Hanxin, Micro PDF417)