Rechargeable Bluetooth mouse Features and specifications: ? Connection Mode: Bluetooth ? Bluetooth version: Bluetooth 4.0, support Bluetooth 3.0 ? Battery type: Built-in rechargeable battery, charge 2 hours to full. When the cursor moves slow, it needs to be charged. ? DPI: 1000 1600 DPI mode ? Button quantity: 3 ? Size: 114 x 58 x 20 mm ? Product Weight: 76g ? Applicable system: Windows XP VISTA 7 8 10 2003 Android iOS ? Applicable device: Computer, smart phone, tablet, smart TV (support Bluetooth) Package included: ? 1 x Bluetooth ? 1 x USB charging cable How to pair the mouse: 1. Turn on the power, long press the bottom button and the blue light will flash. 2. Turn on the Bluetooth setting on your device, search and pair the mouse.