Feature:1. Rechargeable Battery: You don't have to change batteries. With the rechargeable lithium-ion battery, it can work continuously for up to 200 hours on a single charge. No operation for 30 minutes will cause both the keyboard and mouse to remain on standby to save energy. Just click the mouse or hit any key on the keyboard to wake them up.2. Bluetooth 3.0+5.0+2.4G: Both keyboard and mouse are three-mode designed and three channels enabled(Bluetooth channel *2 + 2.4GHz USB channel *1). Memory auto-connect, effortlessly switches between 3 devices.3. Connect with Multiple Devices Simultaneously: Single press FN +1/2/3 to realize a quick and smooth switch between different equipment. Deal with several job tasks more efficiently.4. Broad Compatibility: It is fully compatible with Mac, iOS, Android, and Windows 7/8/10. You can select the corresponding system through the keyboard FN+Q/W/E.5. Ultra-slim Full-size Keyboard: The ultra-thin full-size keyboard has 104 keys including an independent number zone and multimedia functions, which is great for office work. The X-structure design of the keys offers a labor-saving, quiet and stable input experience. Inspired by the metal panel, the keyboard exhibits a subtle metallic color, beautiful and stylish. Specification:Type: Wireless Bluetooth Keyboard and MouseColor: SilverSize: as shown in the picture Battery Capacity: mouse: 240mAh; keyboard: 400mAhCharging Time: 3 hoursCharging Voltage: 3.7VWorking Hours: 200 hoursStandby Time: 1000 hoursSleep Time: 30 minutesConnection Distance: 10 metersDPI: 1000-1200-1600Packing List:1 * Keyboard1 * Mouse1 * USB Receiver (on the bottom of the mouse)1 * User Manual1 * Charging Line