Eyoyo 2D Wearable Ring Barcode Scanner, a finger barcode scanner for you. It not only has a fashionable appearance but also features a lightweight design, weighing just 30g (1.05oz) and a completely mini design. It offers a 3-in-1 connection mode with Bluetooth, 2.4G Wireless, and USB Wired connections, along with powerful barcode decoding capabilities, fast scanning speed, and long transmission distance. What's more, the equipped 450mAh rechargeable battery can work continuously for up to 8 hours after being fully charged Features: 1. With a 330° rotation angle, support switch left hand and right hand to work. 2. Support 2.4G dongle wireless & Bluetooth wireless & USB wired three types of connection ways. 3. Only weight 30g/1.05oz, mini and portable. 4. Support Windows XP, Win7, Win8, Win10 operating system PC, Android, IOS devices 5. Support instant upload mode and storage mode two types of upload mode, with 16M storage, can store 100000pcs EAN13 barcodes. 6. 450mAh rechargeable battery can use up to 8H continuous scanning time. 7. In obstacles environment, 70m/229ft transmission distance（2.4G Transmission Mode） 8. In obstacles environment, 30m/98ft transmission distance (Bluetooth transmission mode). 9. The sound and vibration can be turned off. 10. Support hide/add custom prefix/suffix digits. - Package Included: 5x Eyoyo 2D ring scanner, 1x manual, 5x USB cable, 5x 2.4G dongle,5x Magic belt 3 Types of Connection Ways: Designed with 3 types of connection modes below: -Bluetooth Wireless Connection -2.4G Wireless Connection -USB Wired Connection Support compatible with Windows, MAC OS, Android, iPhone, and so on. 30g/1.05oz lightweight: Equipped with 30g/1.05oz weight it is more portable, convenient, and easy to carry for various scenes you want. - Meanwhile, with a unique, stylish, and compact appearance shape design gets your favor. Super Compatibility: Support scans most of the 1D, and 2D barcodes on paper and screens more easily. - 1D code: Codabar, Code 11, Code93, MSI, Code 128, UCC/EAN-128, Code 39, EAN-8, EAN-13, UPC-A, ISBN, Industrial 25, Interleaved 25, Standard25, - 2D code: QR, DataMatrix, PDF417, Aztec, Hanxin, Micro PDF417 Freely to Switch Left and Right Hand This new ring scanner support rotates 330°, so it is comfortable to switch both left and right hands for everyone, which makes your work much easier. - Meanwhile, you can adjust the scanner angle when scanning more easily. Mini but Long Work: With Mini size but equipped a 450mAh rechargeable big capacity battery. - It can continuously work for 8 hours but only needs 4 hours to be fully charged. Two Upload Modes: Instant Upload Mode: - Simultaneously upload the barcode data to your device when scanning a barcode. Storage Mode: - All scanned barcodes will be stored directly in the built-in memory of the scanner, then when you need, you can upload the barcode data by scanning one set code.