Feature: 1. Barcode Scanner with Retractable Phone Back Clip Design:The well designed scanner does not block the mobile phone camera, and can be used as a mobile phone back clip. 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. 2. BT and 2.4G and USB 3in1 Connections: This Barcode scanner can support USB wired connection and wireless connection(2.4G wireless or bt). You can easily connect with your laptop, PC, mobile phone, tablet. Work with for Win XP/7/8/10, for OS X, for Mobile, for Android OS, for iOS. Support SPP, BLE protocol. 3. Large Rechargeable Battery and Long Transmit Rang: Built in 1500mah battery, it has long standby time. No wires, BT transmit distance up to 15 meters. (without barriers, more convenient.) 4. 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. 5. Decode Capability: Smoothly scan and decode QR, PDF41, Aztec, Hanxin, PDF417. Specification: Specification: Wireless protocol: BT Memory: 16Mb Processor: ARM Cortex 32bits BT version: BT 5.0 Module Supported symbologies: QR, PDF41, Aztec, Hanxin, Micro PDF417 Indicator: Led, Buzzer, Vibrator Battery capacity: 1500mA Charging voltage/current: 5V/1A Endurance: 1D≤36H 2D≤24H（5seconds/scan） Charge time: ≤4hours Standby: >30days Ruggedness: Resist about 6 times drops from 1.5m to concrete ground Product Size: 147x70x15.5mm/5.8x2.78x0.8in Product Weight: 100g/3.53oz Package Size: 21.8x11.5x4cm/8.5x4.5x1.5in Package Weight: 202g/7.1oz. Package List: 1 x Scanner 1 x 2.4G Receiver 1 x USB Cable 1 x User Manual