Wired Wearable 2D Ring Scanner EF02 with OTG function

Wired EF02 2D Ring Scanner with OTG Function, together with work with wearable phone holder WT05. A very simple way to work with a smartphone, just plug & play Barcode Type: Read most 1d and 2d barcodes Scan engine: Zebra SE2707 Battery: No Battery inside. The scanner is powered directly by the phone Bluetooth: Don't have. Simple to use, just Plug& Play   [qiege] Wired 2D Ring Scanner EF02 with OTG Function +WT05 Phone holder   Packaging Information： 1 x EF02 2D Ring Scanner OTG 1 x WT05 phone holder Tips：After ordering, please contact us to confirm the type of mobile phone interface Warranty 2 years