Features1. Plug & play: Easy to use, switch on and plug in the receiver to connect automatically. The cell phone microphone has a mini body, it is an easy clip-on mic and enhances personal privacy protection, portable storage bag allows you to take it anywhere. This clip-on mic is a tailored gift for whom loves live stream, vlogging, recording video, etc. 2. Compatible Android devices: Wireless lapel microphone compatible for Android Phone/ Tablet with USB Type-C port (Support OTG function). 3. Performance wireless system: The transmission mic built in rechargeable battery. 20M/65Ft Barrier-free connection, 360 degree omnidirectional sound reception, recording every detail. 4. Real-time auto-sync technology: The wireless mic supports multi-channel real-time mixing, it can synchronize the background music for phone and human voice in real time, reduce the video post-editing, offers professional full band audio. 5. Support phone charging: The receiver with input charging interface, support phone chargingSpecificationsPerformance parameters: 1. Chip: Professional 2.4GHz wireless microphone chip 2. Microphone Sensitivity: -38dbm 3. Normal mode recording sample rate: 44.1K 4. Noise reduction mode recording sampling rate: 32K 5. Transmit power(MAX): 10dbm 6. Indoor barrier-free straight distance: 15-20 meters 7. Outdoor barrier-free straight distance: About 10 meters 8. Charging port: Type-C 9. Material: ABS The working current parameters of the transmitter (TX): 1. Battery capacity: 70mAh (LIR1254) 2. Power off power consumption: 2.6uA 3. Power consumption: 4mA (Power on no pairing with the receiver ) 4. Power consumption: 10mA (Power on and pairing with the receiver) 5. Power consumption: 6mA(Entering silent mode ) 6. Charging current: 70mA The working current parameters of the transmitter (RX): - Power consumption: 16mA(Plug-in phone)Specification: General Certificate CE, MSDS, ROHS, UL, CCC, EMC Package Weight One Package Weight 0.09kgs / 0.20lb One Package Size 15cm * 8cm * 4.5cm / 5.91inch * 3.15inch * 1.77inch Qty per Carton 100 Carton Weight 8.20kgs / 18.08lb Carton Size 49cm * 39cm * 45cm / 19.29inch * 15.35inch * 17.72inch Loading Container 20GP: 310 cartons * 100 pcs = 31000 pcs40HQ: 719 cartons * 100 pcs = 71900 pcs