Features:

1:2.4GHz Wireless Connectivity (USB receiver & rechargeable mouse usb cable included)

2:Built in rechargeable battery(600MA)

3:Ergonomic designed to remit and prevent carpal tunnel syndrome.

4:Optical laser technology for precise control

5:Easy to use; comfortable to hold; prevent mouse hand.

6:L/R mouse buttons; 2 thumb buttons; and a clickable scroll wheel ; 2 dpi buttons(dpi +/dpi -).

7:You pick the hand position that best suits you. Plug and play; compatible with Mac. 

Specifications:

1:Item type: Ergonomic Optical Mouse

2:Resolution: 800dpi;1600dpi;2400dpi.

3:Button: 4 buttons and 1 wheel (middle button)and 2 dpi (Adjustable )

4:Maximum operating range: 10m

5:Charging cable Length: 80 cm

6:Color: Black+Red

7:Material: ABS

8:Button life: 5 million times

9:System Requirements:Windows 98/Me/2000/XP/Vista/Win 7/Win8/win10 or latest.

Package includes:

1 x Mouse

1 x USB Receiver

1 x USB Charging Cable

1 x English User Manual

Three-level power saving mode:

1: Three seconds into the first sleep light flashing continuously 

2: 1 minute or so to enter the secondary sleep; intermittent flashing lights

3: 8 minutes or so; go to level 3 sleep; the light goes out