CoMica LINKFLEX AD3 Two-channels XLR/3.5mm/6.35mm-3.5mm Audio Preamp Mixer / Adapter / Interface for 3.5mm DSLR Cameras and Smartphones: It can be hung on the belt with a belt-clamp or attached to a sitting position with a fastener tape which is easy and convenient to carry.Effectively support microphone real-time and smartphone playback .Universal for DSLR Cameras and Smartphones with 3.5mm interface.Mono / Stereo switch.The left and right channel gain-control knobs make it easy to set precise levels.Provide 48V phantom for microphones and the interruption of recording due to low .CoMica LINKFLEX AD3 makes your recording work easier by connecting 3.5mm or XLR professional microphone and 6.35mm instrument (such as guitar etc.) to your smartphone tablet DSLR camera or video camera. Specifications: Frequency Response: 20Hz-20kHz ±1dB Gain : Maximum increase +20dB Item Weight: 159g / 5.6oz THD+Noise: Less than 0.02% =2K Ohms f=20Hz~20kHz Vo=1Vrms Compatible Battery: 1 * 9V 6LR61/6F22 battery (Not included) Brand: CoMica Working Temperature: 0℃~50℃ Compatibility: For 3.5mm DSLR Cameras and Smartphones Package Weight: 250g / 8.8oz Input: XLR * 2(L/R) 6.35mm * 2(L/R) 3.5mm * 2(L/R) Model: LINKFLEX AD3 Package Size: 15.2 * 12.5 * 7.5cm / 6 * 4.9 * 2.95inch Output: 3.5mm audio output 3.5mm headphone output Storage Temperature: -20℃~60℃ Item Size: 7 * 5.3 * 10.2cm / 2.8 * 2.1 * 4inch Packing List: 1 * CoMica LINKFLEX AD3 Audio Preamp Mixer