... 2480MHZ 3.RF,DC5V,2AUX OUT 4.wireless,bluetooth 2.4G audio transmitter receiver Specification: frequency ... 50mmStrong point1. Built - in 2.4G wireless digital receiver,2. Digital frequency wireless channel is more than 1000pieces.3 ... wireless MIC:1090, 1060bluetooth audio transmitter receiverSpecificationBluetooth specification: Bluetooth V2.1/V1.2Function range: 15 metersFrequency response: 2.4GHz-2 ...