The Lenovo Ultraslim Wireless Keyboard and Mouse (57Y4700 - U.S. English) is a reliable 2.4 GHz wireless keyboard and mouse combination with a contemporary, low profile design. The Lenovo Ultraslim Wireless Keyboard and Mouse features a compact footprint and the convenience of cordless freedom, comfort, and control. The stylish black finish and subtle silver accents complement your office or home setup and its compact design helps save valuable desk space.

Other features include:

• 2.4 GHz wireless technology
• Plug and play nano size receiver stores neatly and out of the way
• Soft touch finish for all day comfort
• Easy to set up and use
• No software required
• Battery status indicators
• Three-year warranty
• Available worldwide

The keyboard features:

• Thin profile keys
• One touch controls to quickly play, adjust, or mute audio and video files
• F-keys to instantly open settled applications
• Spill resistant design
• Battery life indicator
• Soft touch finish for all day comfort
• 35 keyboard language layouts

The mouse features:

• Ambidextrous, three-button design for both right and left-handed comfort
• Unique soft-touch finish for all day comfort
• Scrollwheel to easily navigate through documents and Web pages
• High definition 1000 dpi optical sensor for precise tracking
• Storage comparment for the micro-size USB receiver
• Battery life indicator

• 5V, 100mA (maximum value) for dongle
• AAA x 2 battery for mouse
• AA x 2 battery for keyboard

• Keyboard
  • Approximate weight (without batteries): 645g (0.29 lb)
  • Approximate weight (with batteries): 694g (0.32 lb)
  • Approximate height (footstand folded): 23 mm (0.9 in)
  • Approximate height (footstand unfolded): 31 mm (1.2 in)
  • Approximate depth: 185 mm (7.3 in)
  • Approximate width: 459 mm (18.1 in)
• Mouse
  • Approximate weight (without batteries): 57 g (0.03 lb)
  • Approximate weight (with batteries): 80 g (0.04 lb)
  • Approximate height: 35 mm (1.4 in)
  • Approximate depth: 97 mm (3.8 in)
  • Approximate width: 53 mm (2.1 in)
• Keyboard and Mouse packaged in a shipping carton:
  • Approximate weight: 1.04 kg g (2.3 lb)
  • Approximate height: 45 mm (1.8 in)
  • Approximate depth: 200 mm (7.9 in)
  • Approximate width: 555 mm (21.9 in)

3 years – Customer Replaceable Unit (CRU) service

• Announce Date: 15 Sep 2009 (Worldwide)
• Planned availability date: 29 Sep 2009 (Australia, Canada, EU countries, Japan, New Zealand, Taiwan, United States)
• Planned availability date: 20 Oct 2009 (Brazil, Chile, China, Egypt, Hong Kong, India, Indonesia, Israel, Korea, Macao, Mexico, Russia, Saudi Arabia, Singapore, South Africa, Thailand, United Arab Emirates)
• Effective withdrawal date: 19 March 2013 
  • Recommended replacement Lenovo Ultraslim Plus Wireless Keyboard and Mouse

The Ultraslim Wireless Keyboard and Mouse is supported on ThinkPad and Lenovo 3000 notebooks as well as Thinkcentres and Lenovo Desktops with a mini USB dongle plug-in.

• Microsoft Windows 7
• Microsoft Windows Vista
• Microsoft Windows XP (32-bit)

• Lenovo Wireless Optical Mouse (wireless dongle is stored in the battery compartment)
• Lenovo Ultraslim Wireless Keyboard (unique version for each language)
• Setup Poster and Warranty publication

• PC interface: Bluetooth 3.0
• Operating distance: 10 meter (33 feet) (Typical, open air)
• Ports: MicroUSB for Battery Charge

• Keys
  • 84/85/89 keys (Varies by country)
• Cable length
  • 1.5m (4.92 feet)
• Keyboard specifications (excluding the cable)
  • Length: 305.5 mm (12 in)
  • Width: 164 mm (6.54 in)
  • Height: 13.5 mm (0.52 in)
  • Weight: 450 g (0.99 lb)
• Packaged dimension:
  • Length: 341 mm (13.4 in)
  • Width: 201 mm (7.9 in)
  • Height: 33 mm (1.3 in)
  • Weight: 570 g (1.26 lb)

1 year – Customer Replaceable Unit (CRU) service

• Announce Date: 26 March 2013 (Worldwide)
• Planned availability date: 9 May 2013 (Worldwide)

Requires a bluetooth enabled system or an optional USB Bluetooth Receiver

• Keyboard
• Warranty Poster
• USB cable for charging