KB320 is very portable and features mouse function. It is also compatible with Windows / Android / i - OS. It features Micro - USB charging port which is compatible with most electronics power adapters. Features: English QWERTY keyboard layout. Mouses function. Truly portable design: perfect for on-the-go. - Full size key pitch and shortcut keys for ease of operation. - Built-in lithium-ion polymer rechargeable battery for mobility and convenience. - Compatible with latest operating systems: Windows XP and later, Windows Phone 7 and later, i - OS 4 and later, Android 2.1 and later, OS X and later. Highlights:ini Size - Portable to carry.mported Chipset - Connect fast and no lag.luetooth 3.0 Connection - Wireless Bluetooth connection, compatible with Windows/Android/i - OS systems. - ED Light Indicator - Blue color for Bluetooth connection, red color for charging status.echargeable Battery - With built-in 600m - Ah battery, rechargeable and portable.icro USB Port - Compatible with most electronics power adapters. Parameter:Connection Type: Bluetooth - DPI: 3000Operation Distance: 10m - Bluetooth: V3.0Interface: USB / Bluetooth - Battery Capacity: 600m - Ah / 3.7VCharging Time: About 90min - Frequency Range: 2402 – 2480MHz - Modulation: GFSKKeyboard Size: 10 × 24cm - Keyboard Layout: tilt 19mm - Keyboard Position: about 8cm away from device - Identification Rate: 350 words / min - Charging Supply: USB / less than 5V 500AChannel: 79Battery Using Time: about 120mins - Laser Power: 0.962n - W Dimension and Weight:Product weight: 0.052kg Package weight: 0.13kg Product size: 7.8*2.7*2cm - Package size: 11.8*6.9*4.7cm Package Contents: 1 * Laser Projection Keyboard1 * USB Cable1 * User Manual