[Rechargeable Wireless Microphone] : The dual Micro USB cable can charge both the wireless transmitter & receiver at the meantime, taking about 2-3 hours.working time more than 6 hours on a full charge. You don’t have to regularly replace batteries. [Wide Compatibility] : 2.4G wireless microphone can be used with voice amplifier/large power speakers/portable pa system/mixer/karaoke microphone speaker system. We also provide 3.5mm to 6.35mm adapter, which helps you can have more choices. Note: This is a 2.4G wireless microphone, NOT Bluetooth wireless microphone! NOT work with your PC/iPhone/iPad/Mac/Smart Phone!. [Easy to Use] : This receiver and transmitter are EASY TO PAIR, just turn on the power switchesand of transmitter and receiver, then they will be connected automatically. [2 in 1 Headset Microphone]:This wireless mic has 2 in 1 design, not just a wireless headset microphone, you can also easily split it into a handheld microphone to meet your needs. [New Upgraded Wireless Microphone Headset]:This portable microphone headset equipped with high sensitivity condenser mic which can offer high quality sound transmission and clear voice. Our headset mic is engineered with the most advanced 2.4G wireless technology, with low radiation, low interference, high signal stability, fast transmission and short audio delay.