1D Barcode Scanner Portable Finger Handheld Wearable Ring Bar Reader BT+2.4G Wireless and Wired Connection with Offline Storage Support for Windows PC Computers Supermarket Library Express Compan Features: ▶ 1D Finger Barcode Scanner: With upgrade 330° rotation head that allows left/right-hand operation while keeping both hands free. No eliminates the need to lift and carry traditional scanners. Designed to improve the productivity of Library Book, Warehouse Inventory, Store, Pharmacy, Supermarket, Express field. ▶ BT&2.4G&USB 3in1 Connections: 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 Windows XP/7/8/10, Mac OS, Windows Mobile, Android OS, iOS. Support HID, SPP, BLE protocol. ▶ Large Rechargeable Battery&Long Transmission Rang: Built-in 380mah 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 . Available to set the time of sleep mode. Stores barcodes more than 50000pcs off-line scanning. ▶ Decode Capability: Smoothly scan and decode 1D (Codabar, 11, Code93, MSI, 128, UCC/EAN-128, 39,EAN-8, EAN-13, UPC-A, ISBN, Industrial 25,Interleaved 25, Standard 25,2/5 Matrix,etc.) Specification: Model: MJ-R35 Product Weight: 34g/1.2oz Wireless protocol: BT Memory: 16Mb Processor: ARM Cortex 32bits BT version: BT 4.1Module Supported symbologies: 1D: Codabar, 11, Code93,MSI, 128,UCC/EAN-128, 39,EAN-8, EAN-13,UPCA, ISBN, ndustrial25, Interleaved 25, Standard 25,2/5 Matrix, 2D: QR, DataMatrix,PDF41, Aztec, Hanxin, Micro PDF417 Indicator: Led, Buzzer, Vibrator(option) Battery capacity: 380mA Charging voltage/current: 5V/1A Endurance: 1D≤12H, 2D≤8H（5seconds/scan） Charge time: ≤2hours Standby: >30days Ruggedness: Resist about 6 times drops from 1.5m to concrete ground Product Size: 37x54.3x56mm/1.4x2.1x2.2in Product Weight: 35g/1.2oz  Package Size: 12x10x4cm/4.7x4x1.5in Package Weight: 115g/4oz Packing List: 1 x Scanner 1 x 2.4G Receiver 1 x USB Cable 1 x User Manual