1. No battery power required
2. It has two 3.5mm TRS inputs with dedicated input level attenuators and one 3.5mm TRS output with optional mono/stereo output switch
3. It also includes 3.5 mm TRS and TRRS output cables. Make it an ideal mixer solution for DSLR, mirrorless and camcorders, smartphones, handheld recorders, laptops, etc.
4. Independent left/right channel volume control knob
5. Can be easily added to any ultra-compact setup without adding too much weight and volume
6. Size: about 48x25mm
7. Frequency response: 20-20000Hz
8. Input level: greater than -35dB
Note: The product only has an audio mixer