Features:  The barcode scanner supports wired/BT/2.4G wireless connection, convenient to use.  Adopt COMS image sensor, support multiple one-dimensional/QR code scanning.  Small and lightweight, wear on the finger, does not affect other hand work.  The scanning head can rotate 270° freely, reducing the limitation of scanning and easily dealing with different scanning scenarios.  ABS shell, shockproof and anti-fall, long service life.  Widely used in retail, catering, supermarket, logistics, clothing industry, etc.    Specification:  Material: ABS  Connection type: Wired+2.4G+BT4.0  Image sensor: 640*480 CMOS, 120FPS  Supported barcode type: One-dimensional barcode/QR code  Identify angle: Intersection angle 30°, elevation angle ±60°, declination angle ±60°  Communication interface: TTL-232, USB(HID-KBW, virtual serial port), 2.4G wireless, BT  Shockproof level: IP42  Working voltage: DC5V±5%  Working current: 200mA  Battery capacity: 220mAh  Item size: 5 * 5 * 3cm /1.97 * 1.97 * 1.18in    Packing list:  1 * Scanner  1 * USB receiver  1 * Data cable  1 * User manual    Note: If the barcode reading is incomplete, please ask the customer service staff for instructions.