HP 655 Wireless Keyboard and Mouse Combo for business

Connection Type2.4 GHz wireless connectionWireless RangeUp to 32.81 ft in open areaKeyboard TypeFull size; 3-zone layoutKeys StructurePlunger; 2.0 mm; Low profile key travelBattery2 x AAA (keyboard); 2 x AAA (mouse)Battery lifeUp to 24 months (mouse); Up to 20 months (keyboard, LEDs off)[2]Programmable KeysUp to 20Hot Keys19Special KeysMic mute; Dictation; EmojiKeyboard FeaturesSpill resistant; Tilt adjustableKeys Lifecycle10 million keystrokes for all the keysButtons3Programmable Buttons2Advanced Scroll WheelNormalBattery2 x AAA (keyboard); 2 x AAA (mouse)Battery lifeUp to 24 months (mouse); Up to 20 months (keyboard, LEDs off)Indicator LightBattery