Wireless technology: 2.4G wireless and Bluetooth wireless Wireless distance: 10-15m Product Size:113 x 57 x 23mm Package size: 11.6cm x 10cm x 3cm Weight: 54 5g Weight after packing:109g Key number: 4 Resolution: 800/1200/1600dpi Operating cycles: 1,000,000 cycles Battery:Built-in 450mAh lithium battery Material: MetalandABSandAnodizing System requirement: Windows 2000/ 2003/ ME/ XP/ Vista/ Win7/ 8/ 10/ MAC OS/ Linux RECHARGEABLE WIRELESS MOUSE: Built-in 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. BLUETOOTH 4.0 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 MATERNamp; ANODIZING SURFACE TREATMENT: Very easy to keep this mouse clean due to anodizing on the top, and color never fades in years. PORTABLESLIM 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 COMPABILITY:: 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) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.