Features:</span></b><br /> <b><span style="font-weight:bold">Precise Optical Mouse</span></b><br /> Promi optical computer pen mouse moves easily for precise optical tracking with or without a mouse pad, which can works perfectly on the bed.<br /> <b><span style="font-weight:bold">Easy Switch</span></b><br /> A triple mode BT mouse with 3 way connections(USB+dual BT). You can connect either by USB or BT.<br /> <b><span style="font-weight:bold">Rechargeable Mouse</span></b><br /> Built-in 450mAh lithium battery, long battery life, no need to change new batteries.<br /> <b><span style="font-weight:bold">Three Backlights</span></b><br /> The mouse comes with 3 kinds of always-on lights, which are more brilliant to use. The internal structure of the mouse can be clearly seen through the lights.<br /> <b><span style="font-weight:bold">Small and Compact</span></b><br /> Ultra small and compact design, you can easily fit it in your pocket or backpack, take it from home to office or go for a travel.<br /> <br /> <b><span style="font-weight:bold">