Color:* Dark Black [Mobility Pointer Mouse] (GOALMU TREE MobilityPointer MobilityPresenter ThimblePointer) Mobility pointer mouse will change your way of life! [Characteristic] -Maximum Duration of 5 hours -Light Weight (16 gram) -Sleep Mode -Bluetooth -Maximum Distance of 10m -5pin Charging Port Optical Sensing The optical sensor allows the mouse to move with ease. Bluetooth Support Wireless Bluetooth 4.0 allows you to control your electronic device from a far distance. If your connecting device has no Bluetooth, use a Bluetooth Dongle with the product.(Bluetooth Dongle is available in the same page) Ergonomically Efficient Design Conveniently control with a tip of your finger by equipping on your index finger. Additionally, the design and the weight releases pain on your wrist. Easy to Charge Pointer mouse does not require the external battery. You can simple used 5pin charger. A full charge will give you blue light which will last 5 hours of usage. Component Mouse Pointer / Silicon retaining rings / Pouch