RECHARGEABLE RECYCLABLE BATTERIES-No need to replace or dispose Alkaline batteries any more! One full recharge provide more than 120 hours work.And the keyboard and mouse will automatically come into intellegent sleep mode if no activities in 20s;which ensure high power efficiency and long battery life. | 2.4GHZ STABLE WIRELESS CONNECTION-JOYACCESS Wireless keyboard mouse combo are adapted with enhanced 2.4G chipset for dropout-free connection.You will enjoy high efficient smooth work without wires tangles.And one tiny nano receiver is unified use for both keyboard and mouse;save your USB ports. | LESS NOISY ERGONOMIC DESIGN-The wireless Keyboard:the scissor across mechanism keystroke makes typing comfortable,light responsive and the raising angles supports your hand for long time work.The silent mouse has soft click so no "click" disturb your surroundings any more! | SLEEK COMPACT STYLE-The keycaps are thin flat mac style for elegance and saving desktop space;the slim keyboard mouse with metallic finishing on top and stream line shape make it fashion on your workplace. | MULTI-GRADE DPI MOUSE-The wireless slim mouse has 5 levels DPI adjustable(800/1200/1600/2000/2400);so we can choose right cursor speed depending on activities like work,gaming or different resolution TV or monitors.