Rockville RKI65BT Dual UHF Wireless Microphones Bluetooth Karaoke Mic Interface. What’s in the box: (1) Mic receiver/Mixer (2) UHF Wireless Microphones (1) Power Adapter with micro USB cable (1) 3.5 mm to RCA cable (5 Feet) (1) optical cable (5 Feet) (1) 3.5 mm to 3.5 mm aux cable (5 Feet) TS to TS cable (3.2 feet) Manual Features: Rockville RKI65BT Dual UHF Wireless Microphone w/ Karaoke Interface+Mic Mixer Connects to any home audio receiver, television iPads, computers, and more Bluetooth input 3.5 mm aux input Optical input Coaxial input TS mix output Output passes through the signal of all the mics, as well as any input device 3.5 mm aux output passes through the signal of all the mics, as well as any input 2 UHF wireless microphones with 8 switchable frequencies Each mic has a nice heavy feel to it and has a digital display making it easy to switch frequencies Adjustable echo level Adjustable tone control Adjustable music input volume Independent adjustable Mic levels Wireless frequency range: Mic A: 556.1 558.4 560.7 562.2 564.5 566.8 568.3 570.6 Mic B: 574.1 576.4 578.7 580.2 582.5 584.8 586.3 588.6 Number of channels: 8 THD: 0.5% Signal/Noise ratio: 90dB Frequency response : 30 Hz – 18kHz 3dB Operating range: 200 Feet Transmitting Power: 10dBm Power Supply: 3V (2 AA Batt) 100-240V compatible with included micro USB power cable (5 feet). Check out our entire store for more great products and deals! We do however make every possible attempt to accurately describe the inventory we sell and stand behind it. Since 2016, 8TEN Industries has been a leading asset recovery provider supporting national retailers, brands, and manufacturers. Our 60,000 square foot processing and distribution facility located in Cass City, Michigan has allowed us to become industry leader in turning difficult problems for manufacturers into great deals for our customers.