Mobile Barcode Scanner 1D Bluetooth Wearable Ring-style Mini Portable Finger Barcode Scanner Barcode

1. 1D barcode scanner: can scan all 1D barcodes,
2. Buttons and ports : scan button, power switch, micro USB port.
3.Support Bluetooth communication, Transmission distance is about 20meters,
4. Indication: Buzzer, 4 colors LED light.
5. with Nylon finger strap.
6. built-in 3.7V 360mah battery,
7.Input: DC 5V+/-0.15V,
Scan currency: 75ma-85ma
8.Work temperature: -15 to +50 degree, Storage temperature: -20 to +60 degree. Humidity: 5-95%.
9. Proof Grade: IP54,
10. Can scan barcode into your smartphones after connecting by Bluetooth
11. Dimension and weight: 52*36*46mm, about 40g (including battery)