ProtoArc Bluetooth Ergonomic Keyboard, Wireless Ergonomic Keyboard with Separate Number Pad, Dual Bluetooth and USB, Hard Palm Rest, Split Design, Rechargeable for Windows/Mac/Android

Ergonomic Comfort Design: The wireless ergonomic keyboard is featured with curved and split keyset design, which helps to position your wrist and forearm in a more natural and relaxed typing posture. Low-profile keys perfectly match the shape of your fingertips, offering quick response with every keystroke.
^^ Personalize Your Setup: The separate numeric keypad provides greater flexibility for your workspace setup, greatly helps to improve your work productivity.
^^ Hard Palm Rest: Curved, hard wrist rest with leather surface offers extended typing comfort with more wrist support and durability.
Kindly Note: This wrist rest is not a soft cushioned one and non-removable. ^^ Switch up to 3
Devices Seamlessly: The wireless ergonomic keyboard and number pad can be connected to 3 devices simultaneously through 2.4G USB receiver or Bluetooth, easily switch between 3 devices with a simple key press. Compatible with Windows 7/8/10, Mac OS X 10.12, and Android 4.3 or above.
^^ Adjustable Tilt Legs: 4 adjustable tilt legs on the bottom of the ergonomic keyboard keeps your wrist in a relaxed and comfortable typing posture while sitting or standing.
^^ USB-C Charging: The wireless ergonomic keyboard and number pad are built-in rechargeable battery with 250 hours of standby time after 2 hours of full charge. Auto sleep mode for power saving after 30 minutes of no operation. (The charging cable can only be used for charging, not for wired connection) ^^
Warm Tips: The ergonomic keyboard and number pad are not backlit. The dimension of the ergonomic keyboard is 13"L x 9"W, and the number pad is 6"L x 8"W. Unlike traditional keyboards, adjusting to an ergonomic split keyboard layout may require an initial adaptation period as you become accustomed to its design and layout.