Features: 1. Bluetooth digital keyboard with calculator function, large screen display 2. Bluetooth connection, independent switch, rechargeable lithium battery, scissor foot structure 3. The keys with scissor foot structure are more comfortable and quiet to use, with a service life of 12 million times, sensitive keys, good resilience, and comfortable experience 4. Built-in 12-digit digital display, 0-9 digits-mode status symbols plus, minus, multiplication, and division operation symbols are intuitively displayed at a glance 5. This keyboard uses a lithium battery, and uses the Micro-USB universal interface for charging, which is energy-saving, low-carbon and environmentally friendly. Under normal circumstances, it can be charged by using the USB port of the computer, and there is no need to carry a special charger, which is convenient and fast, and can be used at any time. 6. Asynchronous independent chip, no switching and no conflict with the main keyboard of the computer 7. Compatible with multiple platforms (windows/Mac/Android/IOS) Compatibility in many aspects can meet the needs of more users 8. Meet the office needs of corporate finance, banks, social security fund centers, major business halls, supermarkets, etc. Parameter: 1. Connection method: bluetooth/wireless 2. Button technology: crater architecture 3. Battery capacity: 300mah 4. Power supply mode: USB charging / built-in lithium battery 5. Charging time: about 2 hours 6. Material: ABS 7. Number of keys: 19 keys 8. Packing list: product + manual + charging cable 9. Dimensions: 146.4 x 86 x 24.9mm 10. Weight: 159g
