The perfect wireless microphone system to pair with the JBL 110, 310 or 710 due to it's plug and play setup and internal rechargeable batteries for ultimate convenience. There are no fiddly wires or cables to mess with - just simply plug directly into one of the microphone ports at the back of the speaker, turn the receiver and microphone on, and you're good to go for at least 5-6 hours. If you need it to go longer, you can plug the receiver to a battery bank for unlimited run time! The system is also very high quality and very reliable. This fantastic package comes with the following: x 2 Wireless Microphones x 1 Receiver x 1 Microphone Windscreen x1 Dual USB Charging cable x2 Antiskid Ring x1 carry bag The system will always be checked before going out on a rental and will be provided with a full charge! Extra information: 🎤 High-Quality Materials : The dual microphone adopts metal aluminum tube, and the net head is made of metal baking varnish, which is safe and fall-proof and durable.The receiving box is directly plugged into the stereo and it is portable. 🎤 Rechargeable & LED Display : Both microphones & receiver can be rechargeable. No need to set! No need to buy batteries! The battery of mic can last for about 20 hrs, the receiver's battery can last for 15 hrs.With dual USB charging port for charging. The display can show the battery power and signal strength in real time, don't worry about suddenly not working. 🎤Advanced Technology: Microphone and receiver use 2.4GHz connection technology, enable the microphones stronger anti-interference ability compared with UHF frequency band .Range indoors > 50ft (outdoors > 100ft); frequency response 50Hz-18kHz; signal-to-noise ratio >70dB; distortion <0.5%; latency <3ms; 10 working channels (CH01-CH10). 🎤Easy to Use : Plug and play, no need pair.No need to buy batteries! The receiving box adopts 6.35mm audio head, which can be directly plugged into any audio (especially perfect for Karaoke, Speech, Meeting, Performance, Indoor or Outdoor. Design for Outdoor Karaoke Speaker, PA Speaker System, Power Amplifier, etc), no need to connect the output line separately. 🎤 Variable Channels: Support 10 sets at max for simultaneously using in the same area,(Each Set Using In Different Channel), avoiding interference signals at any time. The international standard working distance is 15 meters (measured 30 meters).