Multi-function 2.4G Wireless Remote Controller with USB Receiver - Black

- Color: Black - Material: Plastic - 2.4G wireless technology - Transmission range: 10m - Operating voltage: 2.2-3V - Carrier frequency: 2402-2479MHz - Number of channels: 78 - Channel bandwidth: GFSK - Antenna type: PCB printed meander line antenna - Powered by 2 x AAA batteries (not included) - With QWERTY keyboard on the back side, control your PC through USB receiver - System requirements: Windows7/Vista/XP, Linpus/Linux, Google Android, Mac OS - Comes with English user manual and USB receiver Dimensions: 5.75 in x 2.17 in x 0.67 in (14.6 cm x 5.5 cm x 1.7 cm) Weight: 3.32 oz (94 g)