Frequency: 2.4GHz
Input voltage: DC4.8-5.4V
Charging port :for Lightning/for Type-C
Battery capacity: 80mAh
Transmission Distance: 10 m barrier, 120 m barrier free
Microphone size: 62*23 * 28mm
Microphone weight: 7g
Receiver size: 45*27 * 7mm
Receiver weight: 4g
NOTE
· All ios / Android systems are suitable for this microphone
· The following Android phones are not compatible with this microphone
Easy Plug & Play, no APP is needed: The upgraded wireless lavalier microphone is more professional, No Adapter/Additional APP/ Bluetooth is Needed, Just Plug The Receiver into Your iOS Devices and Power on the Micphone Then Start Recording (Auto-Connected&Sync)
Long-distance transmission and long working hours: The lapel microphone built-in rechargeable batteries for up to 8 hours of Operation Time when it is fully charged. And 65ft Working Distance without Cable (If the transmission distance between the microphone and the receiver is blocked by walls or the noise is too loud, the transmission distance is about 40ft). you can plug type-c into the receiver to power the phone. If the phone is out of power during the live broadcast.
Compatible with iPhone/iPad with lightning connectors: The wireless lavalier microphone for iPhone can work with iPhone 7, 7 Plus, 8, 8 Plus, X, XR, XS, XS Max, 11, 11 Pro, 11 Pro Max. 12/12 Pro, and iPad 2/3/4, iPad Air series, iPad Pro series(NOTE: the latest version of 12.9 inches and 11 inch iPad Pro with type-c port not supported).

K9 Dual Wireless Lavalier Microphone for iPhone/Android - Cordless Collar Mic with Plug and Play Auto-Sync for Vloggers, Live Streaming, and Interviews