1. Ultra slim and mini-sized 2.4GHz Wireless Keyboard with Touchpad,Perfect for the living room,TV-connected computer,smart TV.Macbook IOS and Raspberry Pi. - Not work with the amazon fire TV stick!. 2. X-Style quiet keys, and Multi-finger touchpad(3.8inch) 3.12-meter (40-feet) wireless range: Ensures trouble-free connection in the largest room. Wireless range may vary depending on operating environment and computer setup 4. Back cover - High strength aviation aluminum ,with Charming metallic luster 5. Built-in rechargeable Li-ion battery;Two modes of auto sleep function(3 mins and 2 hours) for saving power, clicking any key to activate. Features Most Ultra-slim with stainless steel Portable and fashionable Built-in rechargeable lithium-ion battery, using USB cable for charging, environment friendly Touchpad with multi-finger functions A single finger click as left mouse function, two-finger click as the right mouse function Auto sleep for saving battery, clicking on any key to activate. USB receiver is inserted back in the keyboard for convenience and protection Operations Insert the USB receiver adapter from back cover of the keyboard into an available USB port. Turn on the keyboard and can be found automatically, then it is ready to put into use. br> Specification -Receiver (dongle): Nano style -Connect port: with USB 2.0 above -RF mode: 2.4GHz GFSK -Transmission distance: up to 8 meters -Transmission power: less than +4db -Power supply: rechargeable 280m - Ah polymer lithium-ion battery -Charging voltage: 4.4 V-5.25V -Charging current: 300m - A -Sleeping current: 19u - A -Operation voltage: 3.3V -Weight: 10.6 ounces -Size: 10.6*3.5*1.1 inche What's in the box? 1 * Mini Wireless keyboard 1 * 2.4G Receiver Adaptor 1 * Charging data cable 1 * User manual