・The earphones themselves weigh approximately 3.9g (per ear). They are designed for a comfortable fit, with a small, lightweight, and compact round body that fits snugly in the ear. The charging case is small and round, fitting in the palm of your hand. It weighs approximately 27.9g, and with the earphones stored inside, the total weight is only about 35.7g, making it lightweight and easy to carry. The high-quality driver unit, which uses a high-power neodymium magnet to achieve clear sound, reproduces a balanced, powerful, and clear sound from low to high frequencies. ・The earphones alone provide approximately 5 hours*1 of continuous playback, and with a full charge in the charging case (approximately 5 hours*1 x 2 times), a total of approximately 15 hours*1 of long playback is possible. *1: Varies depending on usage conditions. ・Water-resistant design*2 allows you to use them without worrying about rain or splashes. *2: JIS protection level 4 (IPX4) equivalent. Only the earphones themselves are supported. ・Using the one button on each of the left and right earphone units, you can easily control playback/pause/skip forward/skip back, as well as adjust the volume. ・Product certified with the Technical Conformity Mark. ・Operating frequency band: 2.4GHz band (2.4000GHz-2.4835GHz) ・The auto on/off & auto-connect function turns off the power simply by returning the earphones to the charging case after use.