InLine 55381H is an induction speaker encased in walnut wood that provides a unique music experience without the need for Bluetooth or Wi-Fi. It features a 32mm speaker with 3W output, 4Ohm impedance, and a frequency range of 300Hz to 15kHz. The built-in lithium-ion battery offers 6-8 hours of playtime and can be charged via the included USB cable. Simply place your music device on the induction plate, ensuring the speakers align with the blue LED/Mini USB socket, and enjoy clear, amplified audio.