HiRO 3-in-1 2.4 GHz QWERTY Wireless Wi-Fi Keyboard, 3200DPI Laser Mouse and Multi-Touch Touchpad (H50202) Frequency Range: 2400~2483 MHz Remote Range: Approximate 230 ft. in the Line of Sight Power Source: BL-5C Compatible Battery 3-in-1 Wireless Multi-Functional Device: Keyboard, Mouse, & Touchpad QWERTY Keyboard Plus Media-Control Hot Keys: Work with Most Digital Media Receiver (DMR) Touchpad with Multi-Touch Gestures: Ease of Control 1700/2500/3200 Adjustable High-DPI Mouse: Smooth & Precise Cursor Movement