Motion Sensor: Optical Interface: Bluetooth 4.0 or 2.4GHz Resolution (DPI): 1600 Dimensions: 109.86 x 59.95 x 30.29 mm 4+ buttons Lenovo Yoga Mouse is the ideal travel mouse for both work and play. It has a slim and elegant design with no compromise, comfort and good grip. The rechargeable battery is integrated in the body of the mouse, eliminating the need to buy a replacement. For connection, the mouse supports either Bluetooth 4.0 or 2.4 GHz wireless connection. The most impressive is the touchscreen display, which provides excellent control for your presentations. Brand Lenovo SKU LE599EL19G630NAFAMZ-271150 Model GX30K69567