● Ergonomic design, stylish look, comfortable hand feeling. ● Folding design, easy for you to store, don't take up desktop space. ● With a simple touch, you can turn pages on the web and have high sensitivity. ● Flattening means power failure and low energy consumption.The silent design makes you work or play in a quiet environment, and won’t disturb others when you are at home or in the office. ● Reasonable size and lightweight, Ultra-slim , this is a mouse that snaps flat and slips easily into a pocket or bag.If you are using a laptop or on a business trip, this arc mouse is very suitable for you. ● Note: The computer must have a Bluetooth module to use this mouse ● feature: Lie flat： Length: 135mm Width: 56mm Height: 15mm bending: Length: 123mm Width: 56mm Height: 29mm Net weight: 51g Material: Silicone + ABS Transmission method: Bluetooth 4.0 Lighting: None Button: 3 Transmission distance: 10 meters Power supply: No. 7 battery(shipped without battery) Packing method: carton pack without electricity Whether to mute: Yes Appicable system: all support Go to sleep: within 30 seconds Wake up: touch the button Operation method: Bluetooth connection