Feature: 1. BT 3.0. It offers stable and wireless connection, free you from twisting cables. 2. How to Connect. Hold L and R button for few seconds and search it on the waiting-for-matched device list. 3. Quiet Operation. Left and right buttons produce a moderate amount of noise, enabling you to use it without worry about bothering others around you. 4. Simple Design. Without extra button to on/off, just bend the mouse to turn on it and restore to state to turn off. 5. Portable Design. It is slim and foldable, not taking much space of backpack. Take it with you anywhere. 6. Touch to Scroll Touch the the middle of the panel to scroll forward or backward. Specification: This mouse is foldable and portable. Take it anytime, anywhere. And its left and right buttons produce moderate noise, using it quietly. Besides, different than normal mouse, you touch it to scroll forward and backward. Feature: BT 3.0 It offers stable and wireless connection, free you from twisting cables. How to Connect Hold L and R button for few seconds and search it among waiting-for-matched devices. Portable Design It is slim and foldable, not taking much space of backpack. Take it with you anywhere. Quiet Operation Left and right buttons produce a moderate amount of noise, enabling you to use it without worry about bothering others around you. Simple Design Without extra button to on/off, just bend the mouse to turn on it and restore to state to turn off. Touch to Scroll Touch the the middle of the panel to scroll forward or backward. Specification: Power supply: 2 * AAA battery (Not included) Item weight: 48.4g/ 1.71oz Package weight:61.9g/ 2.18oz Package size: 13.4* 6.8* 2.5cm/ 5.28* 2.68* 0.98in Packing list: 1 * Mouse Package List: 1 * Mouse