Features: BT3.0 chip, 10m transmission distance, stable connection. Lightweight and ultra-slim design, easy to carry and use. Ergonomic design, comfortable tilt angle, more comfortable typing. Scissor foot structure, more uniform stress on the key cap, strong springback, more comfortable to use. Mute buttons, no need to worry about disturbing others. Support Windows, Android, iOS systems. Specification: Type: BT keyboard Language: Spanish Color: Silver Key number: 78 BT version: V3.0 Transmission distance: 10m Battery: 2*AAA battery (not included) Supported system: iOS/Android/Windows Item size: 28.5 * 12 * 1.8cm /11.22 * 4.72 * 0.71in Item weight: Approx. 290g /10.23oz Packing list: 1 * Keyboard 1 * User manual