гамбургер динамик с литий-ионным аккумулятором для mp3 мобил

hamburger speaker Hamburger shape and extension tube ,with retractable cable Specifications Power Output 2W SNR 80DB AMP Freq Range 100Hz-2016KHz Input L/R320mV Charge Voltage 5V±0.05V Charger Time 2.5 hours Play Time 2-8 hours Battery Capacity 300mAh Li-ion battery Speaker Dimension D36mm*H35mm single Color white,black,red Features 1.Applicable to MP3, MP4, Laptop, PC, MD, Mobile phone, etc…all kinds of digital audio players. 2.Patented extendable resonator will increase the low frequency outputting. When closed, it will be smaller to be kept in pocket. 3.Concealed functional buttons enables concise and beautiful appearance. 4.The outlook is gyroidal in special style, it is larruping. 5.With currency 3.5mm audio 1.0 tracks inputting. It’s easy to use. 6.Built-in rechargeable lithium battery protected by, recharged by USB ports