BOYA BY-MP4 Professional Audio Adapter - 3.5mm TRS to TRRS Mic Adapter for Smartphones, Cameras & Recording Devices - Perfect for Vlogging, Podcasting & Live Streaming

Inputs: 1 x 1/8" (3.5 mm) stereo mini-jack input
2 x 1/8" (3.5 mm) mono mini-jack inputs

Output: 1 x 1/8" (3.5 mm) stereo mini-jack output
Input Level: MIC setting: -35 dBu minimum
Gain: Unity
Frequency response: 20 Hz to 20 kHz(+/-0.5 dB)
Dimensions: 105x 60 x 40 mm (4.1x 2.4 x 1.6”)
Weight: 203g ( 6.44oz. )