Use with Android TV box and smart TV
Wireless 2.4GHz radio frequency with USB receiver
All of the key’s lifespan up to 1,500,000 times
Auto sleep mode: Automatically into sleep mode 2 minutes left without operation
To enjoy PC multi-media entertainment at home
Convenient and efficient for conference, presentation and lecturing

2.4GHz DSSS radio transceiver,30m max distance
Powered by 3 x AAA battery (Not included)
System requirements: Windows 98/2000/Me/Vista/NT/ XP/7,Android,Linux(Debian-3.1, Redhat-9.0),Mac
Product weight: 126 g
Package weight: 165 g
Product size (L x W x H): 20.0 x 5.6 x 2.5 cm
Package size (L x W x H): 23.5 x 6.8 x 3.0 cm