Selling point: Thin and light mini, convenient and quiet,bluetooth connect, chargerable Rechargeable dual-mode Bluetooth mouse can be rechargeable bluetooth connection, also can be USB wireless connection! Compatible with any mobile phone tablet, desktop computer! 10 colors for choosing Build-in rechargeable battery After the first link, it will automatically link the next time you use it. Standard interface: Bluetooth 3.0 Charging time: less than 2 hours Limited operating range: 10m Lithium battery capacity: 180mA Working hours: 6 hours Standby time: 40 hours Bluetooth link, multi-device pairing, multi-system compatibility.