Feature: 1. With brushed texture processing, this wireless keyboard is dustproof, waterproof, and scratch‑resistant. 2. The appearance design is simple and generous, the seams are exquisite, and the hand feel is super delicate. 3. Made of high‑quality materials, this wireless keyboard is sturdy, durable, not easily damaged, and has a long service life. 4. Small in size, light in weight, easy to carry, can be carried around, simple to operate and convenient to use. 5. Using sophisticated production technology, this wireless keyboard is environmentally friendly, safe, and has excellent performance. Specification: Item Type: Wireless Keyboard Compliant with BT: 3.0 Use Distance: Approx. 10 meters / 10.9yd Modulation Method: 2.4GHZ Working Voltage: 3.7V Working Current: <5mA Keystroke Force: 80±10g Button Life: 5 Million Times. Operating Temperature: -10 - +55℃ Humidity: 20%-50% Built-In Polymer Lithium Battery: 450mAh. Package List: 1 x Wireless Keyboard1 x Charging Cable