1,Dual Mode Connectivity: Effortlessly switch between 2.4G wireless and BT for ultimate device compatibility. 2,Ultra-Quiet Technology: Enjoy a peaceful work environment with near-silent clicks, ideal for shared spaces. 3,Portable Design: Lightweight and compact, perfect for carrying in your bag for on-the-go productivity. 4,Long-Lasting Battery: Smart power-saving mode ensures up to 3-4 months of use on a single AA battery. 5,Ergonomic Comfort: Contoured shape supports your hand during extended use, minimizing fatigue and discomfort. Material: ABS with matte finish Connection: 2.4G wireless and BT(Dual Mode) Color Options: Pink, Blue, Green, Purple, Milk Tea (Optional) Battery: 1x AA battery required Size: 10.3cm x 6.3cm x 3.6cm or 4.02in x 2.48in x 1.42in Weight: 53g 1x Wireless Mouse 1x USB Receiver 1x User Manual 1x AA battery Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.