แป้นพิมพ์และเมาส์ไร้สาย Logitech (Logitech) MK540 Combo Black, Splashproof, Union Comfortable Palm Rest MK520 รุ่นอัพเกรด MK540

 DIMENSIONSKeyboard Height x Width x Depth:0.94 in (24 mm) x 18.0 in (457.3 mm) x 7.62 in (193.5 mm)Weight: 1.77 lb (805 g) w/o batteriesMouse Height x Width x Depth:1.54 in (39.2 mm) x 2.43 in (61.8 mm) x 4.40 in (111.5 mm)Weight: 2.60 oz (73.5g )w/o batteries, w/o receiverSYSTEM REQUIREMENTSCompatible with:Windows® 10 or later, Windows 8, Windows 7, Chrome OS™TECHNICAL SPECIFICATIONSMK540 ADVANCED Wireless Keyboard K540: 2 x AA alkaline batteries (pre-installed)Wireless Mouse M310: 1 x AA alkaline battery (pre-installed)Battery weight: 24g / batteryKeyboard 36-month keyboard battery lifeFamiliar key shape and feel, whisper-quiet3 tilt positions (natural, 4°, and 8°)Spill resistant designAbrasion resistant key printAdvanced 2.4GHz wireless (10 meters)Wireless encryptionTiny USB receiver with Logitech Unifying™ TechnologyOn/off power switchCaps lock indicator lightBattery indicator lightMouse 18-month mouse battery lifeContoured shape with soft rubber gripsFull-size and ambidextrousAdvanced optical tracking3 buttons, scroll wheelOn/off power switchPACKAGE CONTENTSWireless Keyboard K540Wireless Mouse M310Logitech Unifying™ receiver3 AA alkaline batteries (pre-installed)