High transmission sensitivity for seamless connectivity up to 10 meters. Compatible with most computers by USB interface for easy plug and play. Compact design combines touch and analog keyboard for convenience. Intelligent power saving feature ensures eco-friendly usage. Advanced touch chip with multi-finger operation support for enhanced functionality. Item Name: Mini Keyboard Material: ABS Connection Port: with USB2.0 or Above Transmission Method: GFSK 2.4GHz Wireless Transmission Distance: Up to 10 Meters Transmission Frequency: 2400-2483MHZ (16 Channels) Transmission Power: Less Than 4bd Power Supply: Rechargeable Battery Charging Voltage: 4.4V - 5.25V Charging Current: 300mA Features: Backlight, Smart, Touch Screen Size Details: L: 15cm/5.91", W: 9cm/3.54", H: 2cm/0.79" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Mini Keyboard 1 x User Manual 1 x USB Charging Cable