This ALL-SCALES ESU-50321 speaker is a cell phone type speaker with a sound chamber. It has an 8-ohm impedance and 0.5-watt power, measuring 11mm by 15mm. Comes with a 4-piece sound chamber kit to enhance your audio experience.

Using this speaker is easy. First, find a suitable place to install it, like in a cell phone or other small devices. Make sure the power supply matches the 8-ohm impedance and 0.5-watt power. When handling, be gentle to avoid damaging the speaker or the sound chamber kit. For maintenance, keep it clean by using a soft, dry cloth to wipe it regularly. Avoid exposing it to moisture or extreme temperatures, as this can affect its performance.