1. Broad Device Compatibility,This Bluetooth keyboard seamlessly pairs with a variety of devices. 2. Equipped with advanced Bluetooth technology, this keyboard ensures a stable connection up to 10 meters away. It includes media hot keys like volume control and track navigation for added convenience. 3. Portable Design for On-the-Go Use, this compact and keyboard fits easily into backpacks or handbags, making it perfect for travel, home, school, or office use. 4. Enjoy up to 80 hours of typing on a single charge with the built-in lithium battery. The keyboard also features an automatic sleep mode after 15 minutes of inactivity to conserve energy. 5. Quiet and Comfortable Typing Experience, minimizing distractions in quiet environments.<br><br>Item Type:Keyboard Effective Distance:About 10 Meters Battery Type:Built-in 120mah Lithium Battery (included) Uninterrupted Working Time:About 40 Hours Due to different batches, the product appearance and printed text , but it will not affect the use. Colour:C:Black Material:ABS<br><br>Package Contents: 1 * keyboard 1 * rechargeable dual-mode mouse<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.