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 standby to save energy. Just click the mouse or hit any key of 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 switch between 3 devices.3.Connect with Multiple Device Simultaneously: Single press FN +1/2/3 to realize 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, 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 labor-saving, quiet and stable input experience. Inspired by metal panel, the keyboard exhibits a subtle metallic color, beautiful and stylish. Specification:Type: Wireless Bluetooth Keyboard and MouseColor: gun black, silver, black (optional)Size: 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: 1000-1200-1600 Packing List:1 * Keyboard1 * Mouse1 * USB Receiver (on the bottom of the mouse)1 * User Manual1 * Charging LineNote:1. Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.