Maker hart JUST MIXER Audio Mixer - Battery/USB Powered Portable Pocket Audio Mixer w/ 3 Stereo Channels (3.5mm) Plus On/Off Switch

* Versatile and Compact - The perfect way to mix multiple sound sources whenever and wherever you are (ideal for mixing audio/music from computers, smartphones, tablets, gaming consoles, Amazon Echo/Dot, mics and instruments) * Stereo 3 in / 1 out Configuration - 3 stereo channels (3.5mm / 1/8") allows up to 5 mono input connections * Signal Level - Gain knob allows input of multiple devices from mic to line level (high-sensitivity microphone recommended if using mics) * Overload Indicators - LEDs will light up when signal level overloads mixer capacity; monitor for optimal audio performance * Batter or USB power - Use USB power for a long term solution, or 2x AAA batteries when mobile (USB charger/cable not included; battery power requires top quality batteries, ex. Energizer Ultimate Lithium. Approx. battery life is 8 hours running time.)