The Panasonic RQ-SX44 comes with VMSS circuit & open air headphone with built-in vibration actuator mechanism. Built-in vibration absorbing rubber protects the internal board and mechanical block from impact. Adopted a liquid crystal remote control. It comes with 25x high speed search (without tension control function). Continuous playing time is 45 hours. The 3-key liquid crystal remote control was set to headphone stereo specification and equipped with a perfect earphone for vibrating sound. Also supports 5 songs TPS. When the vibration sound is turned ON, it is forcefully selected only ON/ OFF of the S - XBS, and it is not possible to switch to other positions with the c6e421eaad140c1bc1a39980502df80c EQ button.