Adopting noise reduction design that eliminates background noise for the best recording quality The furry windproof cover also can effectively reduces outdoor wind noise With omnidirectional 360 sound reception technology,providing real-time tracking options and low latency. Help capture super clear sound from all directions The built-in 200mAh battery provides long working time,ensuring uninterrupted recording sessions Lightweight and compact design,easily clip it to your collar or pocket to free your hand and you can carry it anywhere without burden Perfect for interviewing,online conferencing,podcasting,vlogging,and live streaming Specifications: Battery capacity: 200mAh (button battery) for each transmitter Working time: 20h Transmission distance: 10-30 meters (barrier-free) Material: ABS Frequency range: 2.4GHz Package included: 1 x Transmitter 1 x Receiver 1 x English User Manual 1 x Charging Cable Other items not included