UHF Domestic Wireless system.
Perfect for domestic karaoke applications, teaching, trainings and conferences.
Power supply designed with 600/mA/3,6 V lithium battery that works for 4 hours aporx.
Receiver is recharged by a 5V USB socket with a regular smartphone adapter or by connecting to a computer USB port.
Working response about 30/40m.
Handheld transmitter works with 2 x AA 1,5V batteries.