Ultra-slim￡? lightweight and compact with?quietly and effortlessly￡? comfortable and low-profile keys.?Long-range Bluetooth connecting distance is up to 33 feet/10 meters. <br><br><strong>Features:</strong> <br>Works with iOS￡? Android￡? and Windows￡? with shortcut keys for all four systems. <br>Ultra-slim￡? lightweight and compact. <br>Long-range Bluetooth connecting distance is up to 33 feet/10 meters. <br>Type quietly and effortlessly on comfortable￡? low-profile keys. <br>Low power consumption￡? with a power switch￡? can shut off the power when not in use￡? saving power. <br><br><strong>Specifications:</strong> <br>Bluetooth specification: V3.0 Class2 <br>Bluetooth name: Bluetooth Keyboard <br>Range of frequency: 16GHz spectrum <br>Compatible: For Windows￡? iOS !#!amp!*! Android <br>Operating voltage: 3.3V￡? 2 * AAA battery (not included) <br>Operation current: ￡?5mA <br>Standby current: 1.2mA <br>Sleep current￡o￡?0.2mA <br>Operating range: Up to 10m <br>Storage temperature: -40~125?? <br>Color: Black￡?white (optional) <br>Item size: 28.5 * 11.9 * 1.8cm / 11.22 * 4.68 * 0.70in (L * W * H) <br>Item weight: 285g / 10.07oz <br>Package size: 29 * 12.5 * 2.6cm / 11.41 * 4.92 * 1.02in (L * W * H) <br>Package weight: 340g / 12.00oz <br><br><strong>Note:</strong>?When connect to Android phone￡? pressing the "enter" button can not send message￡? you have to press sending button?on your phone.? <br><br><strong>Package List:</strong> <br>1 * Bluetooth keyboard <br>1 * User manual (English and Chinese)