1, Mic type: omnidirectional electret. 2, receiver plug: Type-C/Lightning digital plug 3, Microphone battery: 70mAh button battery 4. Size: microphone 60*22.8*27.7mm, receiver 44.5*27*9.6mm 5, Weight: 20g 6, equipped with Type-C to Lightning OTG adapter, compatible with Lightning interface mobile phones, tablets and most Type-C interface mobile phones