1. This wireless barcode scanner pocket size, mini portable with wrist lanyard . 2. This bluetooth barcode scanner comes with large color LCD screen which can display time, battery level, connection mode, barcode data, stored data amount, total scanning amount, etc. Codes data display . 3. Switch 2.4G wireless & Bluetooth (HID/BLE/SPP) & USB wired connection mode more convenient. 4. Support 1D/2D/QR Codes. Superior Scanning Performance 5. Three Data Upload Modes: Instant upload mode/ Automatic storage/ Inventory storage mode. Support Windows XP, Win7, Win8, Win10 operating system PC, Android, IOS devices. This QR code scanner is built-in 1000mAh high-capacity rechargeable battery, it can work continuously for 8 hours after 2.5 hours of full charge, 100-days super long standby time. Can store up to 512,000 characters in offline storage mode Support Bluetooth HID protocol, SPP protocol and BLE protocol (Bluetooth Transmission Mode). Colour:Black Material:plastic Package Contents: 1 x Barcode Scanner 1 x USB Dongle 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.