Perfect balance of large screen and single handed operation. More stabilized high speed data collection and transmission. Whole performance and superb cost performance balance. Equipped with 4-inch (800*480 resolution) super definition screen and full digital keyboard, achieve the best experience of large screen and single handed operation. With the brand new design ergonomic scanning angle, effectively reduce wrist motions and fatigue, easy to scan and verify. Dual-band Wi-Fi technology, enable free switch and transmission between two channel frequencies, and make the signal stronger and more stable. Seamless network selection and connection according to needs with 4G wireless communication supported by all network operators helps to realize more efficient business data connection and communication. Bluetooth 4.0 transmission technology features low power consumption and fast connection, perfectly matched with mainstream portable printers. The use of low-energy-consuming chipset and optimized system result in more efficient and less energy-consuming operations. Fast recharging technology is adopted to shorten the recharging time and further extend the battery life. Customization capability of specific enterprise special scenarios: Wi-Fi change strategy custom, scan custom, camera collection efficiency custom, RFID performance custom capability, PSAM custom capability， keys and shell custom capability, all kinds of modules integration development capability.