Clickmax Bluetooth Keyboard Mouse Combo 1. 2.4 to 2.48GHz Frequency 2.1,600DPI 10M wireless Clickmax Bluetooth Keyboard Mouse ComboDescriptions: 1,600DPI10M wirelessFeature: Bluetooth wireless technology, offer 10 meter wireless life whenever and whereverSuper small size design, more convenient of travel and carryErgonomic shape designed, more comfortable, no easy tiredTwo pieces AAA battery can ...