Small and convenient, plug and play 2.4GHz signal stability, low delay, 120 meters barrier-free connection With a built-in large-capacity battery, the microphone can work continuously for hours without an external battery. With a clip design, it is more convenient to wear The receiver is equipped with 3 connecting plugs: for lightning, Type C and 3.5mm AUX. Suitable for most phones Ideal for Youtube/Facebook Live, TikTok creators, Vloggers, Bloggers, podcasters, interviewers and other video recording enthusiasts Specification: Microphone: Frequency: 2.4GHz Microphone type: digital microphone Charging port: Type C Applicable mobile phone: 8pin, 3.5mm AUX, Type-C smartphones (not support for Samsung and not for Redmi devices) Wireless distance: 120 meters Working time: about 7 hours Battery capacity: 70mAh button battery SNR: 64dBm Charging time: about 80 minutes Weight: 6.7g Size: 47.1*15.04*15.61mm 3-in-1 Receiver: Frequency: 2.4GHz Ports: Type-C port, for Lightning and 3.5mm AUX Working time: 20 hours Charging time: 70 minutes Limiting capacity: 320mAh with protective plate Size: 47.5*13.47*7.95mm Weight: 17.5g Indicator light: green/red Features: Real-time monitoring