DescriptionIf you are looking for small size, combined with superior sound, this AM FM radio will do. If you want a walkman radio, but you worry they have no built-in speakers, this mini radio will do. It change the old walkman-type radios concept.Features- Color: Black. - Material: Plastic. - Size: 9.20X5.60X2.00cm/3.62X2.20X0.79inch. - With rechargeable lithium battery and LCD screen, when the battery is about to run out, the battery symbol appears and flashes. - Mini size and light weight, convenience for hiking, take a bus or walking. - 3.5mm headphone jack, private FM stereo radio listening enjoyment and improved sound clarity in noisy environment. - Equipped with an external speaker,The sound is clear and bright, strong noise reduction ability and strong sensitivity. - Equipped with an extended antenna to facilitate users to receive short wave.SpecificationNumber of stations stored: 20. Signal to noise ratio: 50 (dB). Rated voltage: 3.7 (V). Rated power: 0.5 (W). Rated frequency: 50 (HZ). Battery specification: AAA.