Race Receiver Features: Xtreme Speaker Amplifier, Loud & Clear Stereo Audio Fast Charging & Long Lasting Lithium-ion Battery Race Control Audio Priority UHF 400-480mHz, analog and digital Large, easy to read backlit display Intuitive Interface, simple and easy to use Adjustable squelch Programmable tone codes P1 and P2 Channel Presets Manually program or via PC Button Lock, prevents unwanted changes Nitro Bee Xtreme Includes: race receiver Stereo Ear Buds USB-C to USB charge cable Belt / Harness Clip