Feature●Built-in mobile battery function; Rated capacity of 3,900 mAh. If you have a charging cable that can be plugged into the USB Type-C and USB-A terminal, you can charge almost all smartphones in Japan. You can also charge up to 2 devices simultaneously●FM / AM radio, wide FM compatible. Radio is a great helper for collecting information during power outages. In addition to FM/AM, it also supports wide FM, so you can choose the frequency that suits your area. It also comes with an earphone jack, so you can use your wired earphones to listen to the radio●AM broadcast is characterized by a wide range of radio waves, but it is easy to get in noise due to interference. Please note that there may be cases where it is difficult to connect depending on the area●LED flashlight, can be used as an emergency siren: The light can be dimmed at 3 levels and can be changed in 3 different patterns. (Daylight Color, Bulb Color, Daylight White) Press the SOS siren button, the light will flash and siren will let you know the surroundings●Contents: Product main unit, 3-in-1 USB Type-C charging cable, storage pouch, instruction manual size: (main unit) 6.9 x 3.5 x 2.2 inches (17.5 x 9 x 5.5 cm) (including handle and dial): 6.9 x 4.5 inches (17.5 x 11.5 x 6.8 cm); Weight: Approx. 1 oz (5 g). If it breaks down due to initial defects or normal use, we will replace a new product within 1 year from the date of purchaseDescription (1) USB charging and compatible with batteries. In an emergency, it is assumed that you cannot secure the power supply, and if you only use a USB charge, you may not use it in emergencies. This product is battery compatible, so it can be used even in emergencies without electricity. Batteries are not included. Please prepare 3 AA batteries.