2.4G Wireless Mouse Foldable Computer Mouse Mini Travel Notebook Mute Mouse USB Receiver for Laptop PC Power:2xAAA battery (not included) Color:Black,Blue,Red,White,Silver,Purple Size:approx:118mm*58mm*35mm/4.64"*2.28"*1.37" Properties: 1. The mouse takes over the USB receiver with the mouse button and is easy to install and can be played when connecting the USB receiver. 2. The folded design is comfortable and you can carry it around easily. 3. The mouse may automatically turn off after folding and turn on automatically when unfolded. 4. The 2.4 GHz radio transmission up to 10 meters range. 5. The design is ergonomic and strong compatible. Package included: 1 x 2.4 GHz foldable wireless optical mouse for laptop 1 x USB wireless receiver (hidden in the mouse) Remarks: 1. Please allow a difference of 1-3 cm due to the manual measurement and 3-5g for the difference between different colors. 2. Due to the screen difference, the color may be slightly different than expected, please allow it. 2.4G Wireless Mouse Foldable Computer Mouse Mini Travel Notebook Mute Mouse USB Receiver for Laptop PC 2.4GHz Wireless Bluetooth Optical Sensor Mouse foldable mouse for laptop