2.4GHz digital wireless system Low latency audio transmission with no video sync issues Dual-channel receiver mounts directly to smartphones, tablets, digital cameras and tripods via included bracket arms, hook-and-loop fasteners, 1/4?20 adapter, shoe mount adapter Plugs directly into iPhone and other iOS devices via included Lightning cable Plugs directly into Android devices via USB Micro B or USB-C cables (both included) Receiver offers up to 13 hours of battery life via rechargeable lithium-ion battery Switchable 1/8" headphone/line and USB audio outputs with volume control PXD2 Beltpack Transmitter with LM8 Omnidirectional Lavalier Microphone Transmitter offers up to 20 hours of battery life using two AA batteries Up to 100' operating range (line-of-sight) 1/8" (3.5mm) audio cable, USB charge cable and power adapter also included Specifications Go Mic Mobile? Wireless System Working Range: 100' (30m) line-of-sight Working Frequency: 2.406~2.478GHz Frequency Response: 10Hz?22kHz Operating Temperature: -10~+50°C Signal To Noise: 90dB (A) mic at minimum gain, 78dB (A) mic at maximum gain GMM Receiver Max. Analog Audio Output Level: +6 dBu, =4.4 Vpp, =70 mW per side into 32O USB Audio Sample Rate: 48kHz USB Audio Support: Windows, Mac OS, iOS, Android, Linux Battery Life: 7?13 hours depending on use Power: Internal rechargeable lithium-ion battery Operating Voltage: 5V DC 500mA PXD2 Beltpack Transmitter Input Connector: Mini XLR (P3) RF Power: