Features: Bluetooth-compatible 3.0 technology provides a cable-free & clutter-free connection. Operating distance: 10m. The keyboard material has brushed texture processing, high-end atmosphere, plastic material and high-quality PCBA board.. The keyboard has a perfect and intimate design, almost perfect craftsmanship, super good button feel, and easy operation. The appearance design is simple and generous, the seams are exquisite, the hand feel is super fine, the internal fine craftsmanship, various functions are easy to operate and the machine is firmly fixed to protect the machine from scratches and damage. The keyboard adopts an environmentally friendly plastic keyboard that meets international safety standards, dustproof, waterproof, scratch-resistant, high-quality, high-performance, and cost-effective. Specifications: Material: Plastic Size: appreox. 24.6x14.8x0.6cm/9.68x5.82x0.24in Color: lake blue, pink, yellow Bluetooth: 3.0+HS Use distance: 10M or more Modulation method: 2.4GHZ Working voltage: 3.0-5V Working current: <4.0MA Standby current: 20UA Sleep current: <2μA Charging current: ≥100mA Standby time: 100 days Keystroke force: 5 million times. Operating temperature: -10-+55℃ Humidity: 20%-50% Package Includes: 1PC x Wireless Bluetooth-compatible Keyboard note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!