ProtoArc EM11 NL rechargeable ergonomic vertical mouse in black. New in box.- Connects by 2.4G USB receiver or Bluetooth, multi-device switching- USB-C rechargeable, 500mAh battery- Adjustable DPI: 1000 / 1600 / 2400- Vertical handshake grip designed to reduce wrist and forearm strain, popular with people dealing with carpal tunnel or long workdays at the computer- Works with Windows, Mac, laptops and tablets- Weight 4.2 oz, 5.43 x 2.72 x 2.68 inShips fast, well packed.