Rechargeable Wireless Mouse: Built-in high quality 450mAh lithium rechargeable battery can last up to 500 hours after fully charged. And standby time is super long with auto sleep and wake mode Bluetooth4.0 and 2.4GHz Wireless Connection: With dual mode connection, the Bluetooth/2.4GHz wireless mouse can work on two devices, connecting one device through Bluetooth and the other through 2.4GHz USB Receiver. You could switch the mode between two devices by just switch. With only one mouse, you can switch free to control two devices, from your desktop to your tablet, laptop to Mac, extremely convenient Luxury Alloy Material & Anodizing Surface Treatment: Very easy to keep this mouse clean due to anodizing on the top, and color never fades in years Portable & Slim Design With Mute Clicks: This comfortable slim ergonomic mouse can be easily carried around anywhere you go with its compact size and light weight. Besides, the quieter clicks can make you concentrate on your work without disturbing others beside you Wide Compatibility: Bluetooth mode works with Windows/Android/MAC OS system(Compatible with IMAC one machine/Macbook/Macbook air/mac mini, not compatible iPad/iPhone). 2.4GHz mode works with laptop, desktop or any device with USB port, simply plug the USB receiver, plug and play (Note: The USB receiver is stored in the battery compartment of the mouse) Package included: 1 x Rechargeable Wireless Mouse 1 x English and Chinese User Manual Other items not included