UHF latest wireless technology, stable signal, no delay, no interference from home WIFI signal.(Only for Recording, not compatible with amplifiers, speakers) Omni-directional Microphone,high sensitivity to pick up sound, intelligent noise reduction, make the sound more clear and realistic. Mini metal clip allows you to easily clip it to your collar, tie or pocket.Very portable Ultra-long transmission distance, up to 50m in open areas. Support multiple groups to use at the same time(up to 49 set),Short press the switch button for 3 seconds to switch channels Super battery life, built-in 450mAh rechargeable lithium-ion battery, 2 hours charge, 5-6 hours available, red light on when charging, red light off when fully charged. colour: black Material: PVC Package Contents: 1 x transmitter 1 x receiver 1 x USB charging cable 1 x 6.35 adapter 1 x U type splitter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.