Connectivity Technology: USB Recommended Product Use: Office Compatible Devices: Laptops, PCs, Tablets, Smartphones Movement Detection Technology: Optical About this project: Best Compatibility with Bluetooth 4.0 Chip: Compatible with over 99% of Bluetooth devices. The skin-friendly silent click mouse features a classic design and a fingerprint-resistant surface for maximum support and comfort for your hands. Robust, non-slip rubber wheels ensure your hands don't slip when scrolling. The Rechargeable Optical Wireless Mouse has a built-in durable 450mAh rechargeable lithium battery that can last up to 500 hours when fully charged, with extra-long standby time and automatic sleep and wake modes. Easily charge via the included USB cable, no need to replace the battery. Silent clicks on the quiet keys allow you to focus on work without worrying about disturbing others, especially when the rest of the family is home.