2D Ring Bluetooth Scanner Mini Wireless Barcode Scanner For Warehouse Logistics 1. There are three options: wired, wireless, and Bluetooth. Multiple transmission modes are available, covering a wide range of applications 2. Supports full functionality of one QR code, enhanced image algorithms, wide range of uses applicable to various industries such as retail, express delivery, and catering 3. Rotatable design, allowing left and right hand to be switched freely for use. The ring design enables 360 degree free rotation, flexible and portable, convenient to use 4. Intelligent image with high integration, accurately identifies barcodes, supports scanning of deformed, blurry and damaged product barcodes, supports extremely low-brightness electronic screen barcodes and color barcodes 5. Made of ABS material, shockproof and resistant to drops, durable 6. Dual alerts, buzzer + light alert. The buzzer will emit a sound to indicate successful scanning, preventing missed scans 7. Ergonomic design, anti-fatigue, not tiring to the hand after long use Parameters 1. Battery capacity: 380mAh 2. Communication methods: 2.4G, Bluetooth, USB data cable 3. Reading modes: manual reading, continuous reading, induction reading 4. Reading prompts: LED indication and buzzer (providing external interface) 5. Recognition angle: elevation angle +- 65 degrees, rotation angle 360 degrees, deviation angle 60 degrees 6. Image sensor: 640 x 480 CMOS, 120 FPS 7. Decoding types: QR code, one-dimensional barcode, screen code