For dropshipping, wholesale, please contact customer service.Product features: 1. Wirele collar microphone, mini design, easy to wear 2. Stable signal, clear reception, easy recording of high-quality audio 3. Get rid of constraints and connect 20 meters without obstacles Specification: Name: Wirele Lavalier Microphone Frequency range: 2.4GHz Frequency response range: 20~20KH Transmiion delay: 18MS Signal to noise ratio: 64dB Input voltage: DC4.8~54V Charging current: approximately 65mA Battery capacity: 80mAH Working time: approximately 7 hours Charging time: about 50min MiTou: Digital microphone Applicable: Lightning interface is suitable for iPhone7/7/8 Plus, XR/XS/XS Max, 11/11 Pro/11 Pro Max, 12/12 Pro, iPhone 13/13Pro/iPad 2/3/4, iPad Air series devices. Type-c interface is compatible with iPad Air 4, mini6, iPad Pro 11/iPad Pro 12.9 and Android phones and tablets with OTG function.When using, please turn on the OTG function for better recording effect. Notes: this microphone doesn't work for the built-in camera app of the smartphone. please use it with the recording apps or third-party video apps. The easiest way to check if your phone or tablet supports USB OTG is to look at the box it came in, or the manufacturer's website. You'll see a logo like the one above, or USB OTG listed in the specifications. Another easy method is to use a USB OTG checker app. There are plenty of such free apps on the Google Play Store, but some are loaded with ads. USB OTG Checker is a reliable app for this. Download and run it. Notice *Images on this page are for illustration only and thedesign of the actual product may differ. *All data on this page are from laboratories, and may notreflect the actual product. Actual results may vary accord-ing to differences in software version, environment andphone edition. *Channelavailability may vary between markets. Locastandards and laws may vary, please ensure this productmeets local requirements before purchasing.