Key Features
Clip-on lavalier microphone
2-channel audio mixer
Recording gain and volume control
Headphone jack for live monitoring
Mono/stereo output switch
Compatible with iPhone 4S, 5, 5S, 6, 6S, Samsung Galaxy, Android Smartphones; DSLR Cameras & Camcorders with a 3.5mm mic input, GoPro HERO3, HERO3+, HERO4 (note: the GoPro Basic HERO and HERO4 Session do not support external mics)

Product Description
Saramonic LavMic is everything you need in one place -- a lavalier microphone with a built-in audio mixer. It allows you to record hands-free and it's compatible with DSLR cameras, GoPros, and iOS devices. The mixer has a two-channel mini jack and three signal transmission cables. Plus, you can switch between mono and stereo output mode.

Specs
Inputs: 1 x mic 1 1/8" (3.5mm) jack for mono mics; 1 x mic 2 1/8" (3.5mm) jack for mono mics
Output: 1 x 1/8" (3.5mm) output
Frequency Response: 20Hz to 20kHz, +/- 0.5 dB
THD: less than 0.03% @ 1kHz, -30 dBu input
SNR: 73dB @1kHz, -30 dBu input
Mic 1 input: 20 dB
Mic 2: 20 dB
Power Requirements: one AAA alkaline or lithium battery
Weight: 107g (about 3.77 oz.)
Dimensions: 8.3 x 2.7 x 3.5 cm