Specifications:
<br />Color: Black
<br />Material: ABS
<br />Connection: wireless connection
<br />Connection distance: 8 meters
<br />Frequency range: 2.403GHz - 2.480GHz
<br />Working voltage: 3.7V
<br />Power supply: built-in 800mAh lithium battery
<br />Charging mode: USB mini charging
<br />Applies to: Windows2000 / XP / 7, Linux, Android, Google, Smart TV
<br />Product Size: 145 * 95 * 17mm
<br />Product weight: 151g
<br />Product gross weight: 188g
<br />
<br />Packing list: 
<br />1 x Mini wireless keyboard (built-in lithium battery)
<br />1 x Receiver 
<br />1 x USB mini charging cable 
<br />1 x English manual