RECHARGEABLE KEYBOARD AND MOUSE COMBO- No need to change batteries any more !Both mouse and keyboard are built in 500mAh lithium rechargeable batteries; one full charge in 1.5 hours, the wireless mouse works for more than 90 days while the wireless keyboard power lasts over 180 days. And both keyboard and mouse will automatcally enter power saving mode if inactivity in 20s. Just click the mouse or hit any key of the wireless keyboard to wake them up. COMFORTABLE AND LESS NOISE-JOYACCESS wireless keyboard has all keys in scissor-cross mechanism;which maks it ulra-thin (keystroke travel 2mm),light resposive and less noise.The wireless mouse is also built-in newest noise-free switches for quiet click.Both keyboard and mouse give a world of silence; great for conference, board presentation, library, coffee shop, night work, travel, etc. HIGH PRECITION-Wireless Mouse DPI 2400 in 5 levels-You can easily change the cursor sensitivity of this cordless mouse depending on your activities;usually 1600 DPI for office, DPI 2000-2400 for 4K resolution monitor or entertainment like gaming at home. 2 polling rate: 125Hz and 250Hz; adjusted by pressing the right key and the wheel simultaneously at 3s for change. COMPACT AND SLEEK DESIGN-The wireless keyboard size is only 14.5*5.6*0.23in with 100 keys;not only respect most of your typing habbits but also takes much less space than traditional full size keyboard.Ultra slim and stream line shape make your small desktop more classy and simpler. STABLE 2.4G WIRELESS CONNECTION&WIDE COMPATIBILITY-Only one USB receiver commonly is used for both keyboard and mouse; just plug and play without any driver. The high end chipset elimates most signal interference and lag for high effcient work.Compatible with W7/8/10/XP. It works great for desktop, laptop and other devices.*PLEASE CONTACT US FOR ANY QUESTION! J JOYACCESS guarantees its products extending the after-sales service up to 18 months from the day of purchase! 2.4 GHz wireless technology delivers a reliable connection with up to a 10M rangeno wires make a more smart and tidy desktop. . Unified nano receiver saves precious computer USB ports. Enjoy Comfortable typing. . Angled tilt provide support Silky-smooth whisper-quiet keys let you enjoy the work without disturb Real compact and slim design The keyboard size is 5.5*2.16*14.6in which greatly save space for your desk top; Luxury silver finishing greatly match your mac book or other laptop Power saving goes on after 15 minutes if you stop typing. 5 adjustable DPI levels (800/1200/1600/2000/2400). Great optical sensor provides precise track movements. You also choose faster or slower at your own discretion. 3-level energy-saving mode (down to 20uA) effectively saves power in every situation.