未使用に近い 2.4GHz Transmitting Technology--BOYABY-WM3U is a 2.4GHz wireless mic system with an innovative design with built-in microphone on the transmitter Includes Type C, 3.5mm TRS Adapter - Compatible with most Android Type-C Smartphones, Tablets, Windows / Mac PCs, iPad Pro Macbook Pro, DSLR, Camcorders, Recorders, etc CHARGING CASE INCLUDED--BOYABY-WM3U storage box is also a place to charge the transmitter and receiver. After the storage box is fully charged, the transmitter and receiver can be fully charged up to twice as long as the transmitter/receiver can stay working for about 4.5 hours/8 hours after each maximum charge SMALL & POWERFUL DESIGN - With its small yet powerful features, the BY-WM3U is perfect for everyday Vlog, live streaming and interviewing, greatly improving the quality of recording on your smartphone, PC, or DSLR 1 Year Boya Warranty