Silent mouse M350 Bluetooth dual -mold wireless office mouse 2.4G Bluetooth dual -mode Laptop High Precision battery Mouse<br> Number of keys: 3 (keys)<br> Interface: USB<br> Wireless transmission frequency: 2.4GHz<br> Does ergonomics support: support<br> Adjustable resolution: 3rd gear and below<br> Operating distance: 10(m)<br> Specifications:<br> Warm shape and comfortable hand feeling<br> Fashion, light and lovely<br> Interpret energy in silence. Fashion appearance can show personality, but also exquisite and light.<br> Jingshan Jingmei's familiar key feel interprets energy with quiet<br> Multi-link, Bluetooth and 2.4G receiver easy link<br> Easy to adapt to a variety of scenes, coffee table, bed can provide comfortable experience<br> Installing the battery is convenient and quick to use.<br> Package Included:<br> 1 * Mouse, 1 * Receiver<br> Notes:<br> The battery needs to be purchased by the customer.