1. 2.4GHz +5.2 Bluetooth Wireless MouseEnsures reliable connection with an increased working distance of up to 33' (15m) and eliminates delays, dropouts and interference. 2. PERFECT GIFTThis is the perfect gift for any loved one for any occasion.With its high speed, durability, and its luxurious looks, it is a perfect and thoughtful gift to give to anyone who loves bling. 3. Rechargeable Optical Wireless MouseBuilt-in durable 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. Easily recharged through the included USB cable, no need to change the battery. 4. NOISE FREEQuiet click sound when pressing buttons, which makes you away from worrying about bothering others, especially at home while other family members having rest, so that you can stay focused on your work. 5.WIDE COMPATIBILITY Well compatible with Windows XP, Vista, 7, 8, and 10 / Windows Vista / Windows Vista/ Windows ME etc, Fits for desktop,laptop,PC,Macbook,tablet and other devices. Product Spec: Wireless technology: 2.4G Wireless+5.2 Bluetooth with USB receiver Wireless distance: 15m Product Size:11.2*5.7*2.0cm Weight: 1745g Net Weight:835g Backlit: 7 colors backlit Note: 1. When the mouse in low power ,it will only have red backlit. Light colors will not change . Pls recharge it . 2. This mouse ,we use expensive AB diamond,not cheap flash diamond.